00333nam a2200121 a 450000500170000002000150001708200130003210000190004524500470006426000360011130000230014749000410017020251203110608.0  a3540638326  a516bKRU  aKrupkova, Olga  aGeometry of Ordinary Variational Equations  aNew YorkbSpringer-Verlagc1997  ax,251p.c24 cm. PB  aLecture Notes in Mathematicsdv.1678