Lefschetz S. <br/><br/>
Lectures on differential equations 
by Lefschetz S. 
 -  1948 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>67414 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations
<br/><br/><label>Dewey Class. No.: </label>B33, H81