TY  - BOOK
AU  - Farkas M Ed.
ED  - Colloquim on qualitative theory of differential equations (1979 : Hungry)
TI  - Proceeding on qualitative theory of differential equations
T2  - Colloquia mathematica societatis Janos bolyai; 30
U1  - B33p1,N79, M1.1 
PY  - 1981///
CY  - Amsterdam
PB  - North-Holland Publishing Company       
KW  - Differential equations
ER  -