Nonlinear ordinary differential equations and their applications 
Sachdev, P. L. 
 - New York :  M. Dekker,  1991 
 - xviii, 578 p. :  ill. ;  24 cm. 
 - Monographs and textbooks in pure and applied mathematics ;  142 .
<br/><br/><label>ISBN: </label>0824783646 (acid-free paper)