Lefschetz, Solomon  <br/><br/>
Differential equations:  geometric theory 
Solomon Lefschetz 
 - 2nd ed.  
 - New York  John Wiley & sons.   1807 
 - x, 390 p.  
 - Pure and applied mathematics: a series of texts and monographs; v.6 .
<br/><br/> Includes bibliography and index.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations
<br/><br/><label>Dewey Class. No.: </label>515.35  / LEF