00000nam a2200000 a 4500 20251203110444.0 3540780386 515.35 ARN Arnold, V.I. Geometrical Methods in the Theory of Ordinary Differential equations 2nd London Springer-Verlag 1988 xii,351p. 22 cm. PB Grundlehren der mathematischen Wissenschaften 250 Differential equations _ 107278 LIBSC C 90595 90595 0 0 0 0 PU PU 2004-02-04 262.80 0 515.35 ARN 107278 BK