00750nam0-22002771i-450-990000367610403321200010100-691-08383-5000036761FED01000036761(Aleph)000036761FED0100003676120001010d--------km-y0itay50------baitay-------001yyNonlinear oscillations in physical systems(by) Chihiro HayashiPrincetonPrinceton University Press1985XII,392 p. ill. 24 cmHayashi,ChihiroITUNINARICAUNIMARCBK99000036761040332104 013-265DIC 1495DINCHDINCHUNINAING01