TY - BOOK AU - Demyanov, Vladimir F. AU - Rubinov, Aleksandr M. TI - APPROXIMATE METHODS IN OPTIMIZATION PROBLEMS U1 - 517.5 PY - 1970/// CY - New York PB - American Elsevier Pub. Co. KW - Approximation Theory KW - Functional Analysis KW - Nonlinear Theories N1 - Translation Of Priblizhennyye Metody Resheniya Ekstremal'Ykh Zadach ER -