differential equations and their applications/ 
Ahsan, Zafar 
 - 2nd ed. 
 - New Delhi :  Prentice Hall,  c2004 
 - xiv,514p. :  ill.;  24cm. 
<br/><br/><label>ISBN: </label>9788120 325234 
<br/><br/><label>Subjects--Topical Terms: </label>--mathematics
<br/><br/><label>Dewey Class. No.: </label>515.35 AHS