TY  - BOOK
AU  - Arnold V I
AU  -  Levi Mark Ed.
AU  -  Szucs Joseph Tr.
TI  - Geometrical methods in the theory of ordinary differential equations
T2  - Grundlehren der mathematischen wissenschaften; 250
U1  - B331:6, M3 
PY  - 1983///
CY  - New York    
PB  -  Springer Verlag       
KW  - Ordinary differential equations
ER  -