Arnold, V.I <br/><br/>
Geometrical methods in the theory of ordinary deifferential equations/ 

 - 2nd ed. 
 - New York:   Springer-Verlag,  1988 
 - xii,351p.:ill.: 
<br/><br/>Includes bibliographic refernces and index 
<br/><br/><label>ISBN: </label>3540780386 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Difefrential equations
<br/><br/><label>LC Class. No.: </label>QA 371.69 ARN 1988