00906nam0-22003251i-450-990000844120403321200010100-444-99771-7000084412FED01000084412(Aleph)000084412FED0100008441220001010d--------km-y0itay50------baitay-------001yyNonlinear differential equationsS. Fucik, A. KufnerAmsterdamElsevier Scientific Publi shing Company1980359 p.25 cmStudies in Applied Mecha nics2515.36Fucik,Svatopluk41404Kufner,AloisITUNINARICAUNIMARCBK99000084412040332102 34 E 13384FINBNFINBNNonlinear differential equations342030UNINAING01