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                    | Schouten J.A., van der Kulk W. — Pfaffs Problem and Its Generalizations | 
                  
                
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                    | Предметный указатель | 
                  
                
                    
                        Field,        275  
Field, analytic      47  
Field, autoisomorphic      148 164  
Field, isomorphic      148 162  
Field, of m-directions      61  
Field, preserving C-transformations      212 224 230  
Fixed indices      1  
Forsyth, A.R.      vi  
Free indices      9  
Frobenius, G.      iv  
Function group, homogeneous      262 ff 315  
Function group, homogeneous canonical form      269  
Function group, homogeneous class      263  
Function group, non-homogeneous      256 ff 313  
Function group, non-homogeneous, canonical form      260  
Function group, non-homogeneous, null group      256  
Function group, non-homogeneous, Poisson bivector      256  
Function group, non-homogeneous, polar group      256  
Function group, non-homogeneous, rank      256  
Function group, non-homogeneous, singular functions      256  
Functional, determinant      30  
Functional, matrix      33  
Functionals      50  
Functions, supernumerary      166  
Fundamental, determinant      30  
Fundamental, matrix      33  
Fundamental, region      33  
g (genus)      351 358  
g' (reduced genus)      378 384  
Gauss, C.F.      vi  
General intogral- , of  -field      456  
General intogral- , of Goursat system      377  
General representation      147  
Generating function      221 227 232  
Geometric, manifold      29 32  
Geometric, object      50  
Geometric, point      32  
Goursat system      355  
Goursat system,  -forming      355  
Goursat system, characteristics      378  
Goursat system, characters      377  
Goursat system, closed      355  
Goursat system, connected  -field      445 ff  
Goursat system, general integral-       377  
Goursat system, genus      351 358  
Goursat system, integral element      354  
Goursat system, integral-       354  
Goursat system, integral-       355  
Goursat system, invariant        388  
Goursat system, Kt      417  
Goursat system, n'      417  
Goursat system, reduced genus      378 384  
Goursat system, ring of closed      412  
Goursat system, s-number        385  
Goursat system, scalar free      355  
Goursat system, similarity class      378 417  
Goursat system, theorem of integrability      358 ff  
Goursat system, theorem of uniqueness I      359  
Goursat system, theorem of uniqueness II      371  
Goursat system, theorem of uniqueness III      372  
Goursat, E.      vi 67 73 82 88 91 92 94 96 102 103 107 109 115 145 148 151 152 153 160 172 173 175 177 179 180 184 195 199 200 210 224 229 246 251 253 255 262 273 306 315 319 349 352 416  
Grad, gradient, gradient field      48  
Gradient product      65 135  
Gradient transformation      168 ff  
Grassmann, H.      vi  
Grynaeus, cases A, B, C and  -field      425 ff  
Grynaeus, cases A, B, C, D      187 ff  
Grynaeus, E.      185  
Hilbert, D.      50  
Holonomic        350  
Homogeneous, canonical form of equation      96  
Homogeneous, canonical form of system      113  
Homogeneous, complete system      86  
Homogeneous, existence theorem for complete system      108  
Homogeneous, function group      262 ff 315  
Homogenization of 91^      273 286  
Hyperplane      2  
Hypersurface      59  
Identification of quantities of   and        23  
Identity of Jacobi, for irifinitesimal transformations      137  
Identity of Jacobi, for Poisson brackets      247  
Imbedding      33 40  
Implicit functions, existence theorem of      41  
Improper        2  
Independence, theorem of      34  
Independent functions      33  
Index, of        278  
Index, of set of functions with respect to        154 ff  
Indices, dead      5  
Indices, fixed      1  
Indices, free      9  
Indices, living      5  
Indices, running      1  
Indices, saturated      9  
Induced  -field      431  
Infinitesimal, admitted point transformations      136 ff  
Infinitesimal, C-transformation      241 ff  
Infinitesimal, neighbourhood      48  
Infinitesimal, point transformation      71 233  
Infinitesimal, streamlines of transformation      233 ff  
Inner orientation      4  
Inner problem      84 85 349  
Integrability, of  -field      296  
Integrability, of        286 ff  
Integrability, of  -field      423 437  
Integrability, of  -fields      437  
Integrability, of  -field      296  
Integrability, of Cartan-Kfthler      358 ff  
Integrability, theorem of, of Cartan      352  
Integrability, total      89 109  
integral      84  
Integral curves      89  
Integral element      350 354  
Integral element, regular      351  
Integral invariant      see Absolute and relative  
Integral over        68  
Integral, function      84  
Integral, principal, function      91 108  
Integral- 's in involution      350  
Integral- , of  -field      350  
Integral- , of        338  
Integral- , of Goursat system      354  
Integral- , extraordinary      503  
Integral- , general, of  -field      155  
Integral- , general, of Goursat system      377  
Integral- , of  -field      84 349  
Integral- , of  -field      418  
Integral- , of Goursat system      355  
Integral- , of NRSC-eystem      503  
Integral- , regular      351 358  
Integrating factor      98 99 100  
Intermediate components      8  
Invariant      see Absolute and relative  
Inversion, theorem of      30  
Invoiso of affinor      8  
Involution, directions in      350  
Involution, functions in      246 252  
Involution, functions in, solution of differential equations in      306 ff  
Irreducible, p-vector      14  
Irreducible, tensor      12  
Irregular systems of equations      35  
Isomer      8  
Isomorphic fields      148 162  
jacobi      see Identity of  
Jacobi, C.G.J.      vi  
Jacobian system      104  
Jacobian system, principal integral functions of adjoint system of      108  
Jacobian system, principal solutions of      108  
Jacobian system, special      105 115 122  
Janet, M.      378 506  
 | Joined neighbouring elements      209  
Junction of   and   
K of        149 161  
K of        175 f 179  
K of        279  
K of Goursat system      417  
k of Goursat system (n')      378 417  
K under C-transformations      280  
Kaehler, E.      1 18 33 35 37 53 82 349 355 358 402 410 417 461  
Kernel letter      1  
Klein, F.      81  
Koenig, J.      510  
Kowalewski, S.v.      90  
Kronecker symbol        5  
l of        278  
Lagrange bracket      246 ff  
Lie in      2  
Lie, derivative      72  
Lie, differential      72  
Lie, integration method of      313 ff  
Lie, multiplier      129  
Lie, S.      vi 82 118 131 136 138 139 143 199 208 209 210 224 229 241 251 253 255 256 262 272 273 306 307 315 319  
Living indices      5  
Local        47  
m-dimensional surface      39  
m-diroctions, field of      61  
Manifold, arithmetic      29  
Manifold, element      208  
Manifold, geometric      29 32  
Manifold, vector      208  
Matrix, functional      33  
Matrix, of aflfinor      7  
Mayer system, abbreviation of      115  
Mayer system, abbreviation of auxiliary system of      122  
Mayer system, auxiliary system of      120  
Mayer system, principal solution of      114  
Mayer system, solution of      115 122  
Mayer, A.      115 126  
Mayor's theorem of integration      126  
Measuring vectors      5 6 49  
Minimal regular, parametric form      40  
Minimal regular, systems of equations      35  
Mixing      9  
Multiplication      8  
Multiplication, alternated      13  
Multiplication, symmetric      12  
n' (similarity class Goursat system)      378 417  
Natani, L.      vi  
Natural derivative      48 64  
NBSC-system      474  
NBSC-system, extraordinary points      503  
NBSC-system, integral-       503  
NBSC-system, parametrical vector coefficients      475  
NBSC-system, principal vector coefficients      475  
Neighbourhood      29  
Neighbourhood, infinitesimal      48  
Non-homogeneous, complete system      110  
Non-homogeneous, equation      95  
Non-homogeneous, existence theorem for complete systems      111  
Non-homogeneous, function group      262 ff 313  
Non-homogeneous, system      109  
Normal form      147  
Normal form, of q-vector fields      327  
Normal form, of systems of Pfaff      327  
Normal representation      147  
Normal system of  's      45  
Normal system of  's, enveloped      84 199  
Normal system of  's, enveloping      82 85  
Normal system of  's, reduction with respect to      45  
NPRSC-system      477  
NPRSC-system, prolongation of      493 ff  
Null,        339  
Null, dimension of, form      35  
Null, form of   in        39  
Null, form of  -fields      273  
Null, form of Sf-fields      457 ff  
Null, group      256  
Null, manifold      34  
Null, point      34 89  
Null, regular, form      35  
Null, space      2  
Null, space of integral-       350  
Null, supernumerary regular, form      35  
Object, geometric      50  
Operation        94  
Operations, table of      611  
Ordinary, chain      441 443  
Ordinary, point of field      149 185  
Ordinary, triplet      433 436  
Orientation, inner      4  
Orientation, outer      4  
Orthonomic system      607  
Orthonomic system, passive      506 508  
Outer orientation      4  
Outer problem      82  
p-direction in        2 48  
p-vector      13  
p-vector density      19  
p-vector, compound      14  
p-vector, decomposition into blades      16  
p-vector, divisor of      14  
p-vector, geometric interpretation      17 ff  
p-vector, irreducible      14  
p-vector, pseudo      13  
p-vector, simple      14  
parallel      2 3  
Parametric form, dimension of      40  
Parametric form, minimal regular      40  
Parametric form, of   in        40  
Parametric form, of        273  
Parametric form, of  -field      419  
Parametric form, regular      46  
Parametric form, supernumerary regular      46  
Parametrical, derivatives      607  
Parametrical, variables      398 405 407  
Parametrical, vector coefficients      475  
Partial prolongation      469  
Partial prolongation of PC-system      505  
Passive orthonomic system      606 508  
PC-system      605  
Pfaff's problem, simple      vi vii  
Pfaff, J.F.      vi  
Pfaffian aggregate      28 514  
Pfaffian equations, normal form of      327  
PNRSC-system      477  
Point, arithmetic      29  
Point, extended, transformation      217  
Point, extraordinary      503  
Point, geometric      32  
Point, infinitesimal, transformation      71 136 233  
Point, of diminished class      149 185  
Point, ordinary      149 185  
Point, transformation      1  
Poisson bivector, of        278  
Poisson bivector, of function group      266  
Poisson brackets      246 ff 253  
Poisson brackets, generalized      172 ff 272  
Poisson brackets, Jacobian identity for      247 271  
Polar, group      236  
Polar, space      350  
Preferred,  -field      423  
Preferred, RSC-ayatem      472  
Principal, derivatives      507  
Principal, integral functions      91 108  
Principal, solutions      91 108 114  
Principal, variables      398 405 407  
Principal, vector-coefficients      475  
Projection      3  
Prolongation      463  
Prolongation of      493 ff  
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