00753nam0-22002891i-450-99000089257040332120001010000089257FED01000089257(Aleph)000089257FED0100008925720001010d--------km-y0itay50------baitay-------001yyNonlinear Differential EquationsNew YorkMcGraw-Hill1962.p.267cm 20MatematicaStruble,Raimond A.50784ITUNINARICAUNIMARCBK99000089257040332103 M.0,491438IINTCIINTCNonlinear differential equations340116UNINAING01