NEMTSKII, V.V. Stepanov, V.V. <br/><br/>
Qualitative theory of differential equations / 
by V.V.Nemytskii, V.V.Stepanov 
 - New York  Dover pub.  1989 
 - viii, 523 p. 
<br/><br/> Includes bibliography & index. 
<br/><br/><label>ISBN: </label>486259542 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations
<br/><br/><label>Dewey Class. No.: </label>515.35  / NEM