Dumortier, Freddy <br/><br/>
Qualitative theory of planar differential systems 
Freddy Dumortier, Jaume Llibre, Joan C. Artes 
 - Berlin  New York  Springer  c2006 
 - xvi, 298 p  ill.; tab  24 cm 
 - Universitex .
<br/><br/> Cuprinde bibliografie si index 
<br/><br/><label>ISBN: </label>9783540328933 (pbk.) 3540328939 (pbk.) 
<br/><br/><label>LCCN: </label>2006924563 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations--Qualitative theory<br/>Differential equations--Numerical solutions
<br/><br/><label>Dewey Class. No.: </label>515/.35