TY  - GEN
AU  - Arnold,Vladimir I.
AU  - Levi,Mark (edtrad)
AU  - Szucs,Joseph (trad)
TI  - Geometrical methods in the theory of ordinary differential equations 
SN  - 0387906819
AV  - QA372 
U1  - 515.352 
PY  - 1983///
CY  - New York
PB  - Springer-Verlag
KW  - Differential equations
KW  - Ecuatii diferentiale
N1  - Exemple de probleme p. 332
ER  -