TY  - BOOK
AU  - Farkas M ed.
ED  - Colloquium on Qualitative theory of differential equations( 1979 : Szeged )
ED  - Colloquium on Qualitative theory of differential equations
TI  - Qualitative theory of differential equations
U1  - 515.35 
PY  - 1981///
CY  - Amsterdam
PB  - North Holland
KW  - Differential equations
KW  - Qualitative theory
ER  -