Numerous detailed proofs highlight this treatment of functional equations. Starting with equations that can be solved by simple substitutions,the book then moves toequations with several unknown functions and methods of reduction to differential and integral equations.Also includescomposite equations, equations with several unknown functions of several variables, vector and matrix equations, more. 1966 edition.
Ссылка удалена правообладателем ---- The book removed at the request of the copyright holder.
