Qualitative theory of differential equations 
edited by M. Farkas 
 - Amsterdam  North-Holland  1981 
 - 2v  ill.  24cm 
 - Colloquia mathematica Societatis Janos Bolyai  30 .
<br/><br/>Papers based on lectures given at the Colloquium on Qualitative Theory of Differential Equations organized in Szeged, Hungary from 27 to the 31st August 1979 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations--Numerical solutions