00666nam0-22002411i-450-99000131105040332120080303145002.0000131105FED01000131105(Aleph)000131105FED0100013110520001205d1966----km-y0itay50------baengDynamical systemsBirkhoff GarrettProvidenceAmerican Mathematical Society1966Birkhoff,Garrett<1911-1996>13068ITUNINARICAUNIMARCBK990001311050403321121-I-147875MA1MA1Dynamical systems383487UNINA