Dacorogna B. — Direct Methods in the Calculus of Variations | 155, 157—159, 161, 162, 169, 171, 173, 178, 191, 192, 194, 212, 213, 215, 219, 222, 231, 237, 239, 246, 271, 272, 274—276, 291, 318, 367—373, 377, 378, 381, 382, 384, 390, 391, 394, 403, 404, 415, 424, 441, 442, 465, 472 |