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Название: Stability of functional equations in several variables
Авторы: Hyers D.H., Isac G., Rassias T.M.
The notion of stability of functional equations has been an area of revision and development for the past 20 years, having its origins more than half a century ago when S. Ulam posed the fundamental problem and D. H. Hyers gave the first significant partial solution. This volume is unique in that (to date) none exists as a comprehensive examination to the subject.