Ahsan, Zafar <br/><br/>
Differential equations and their applications 
Zafar Ahsan 
 - New Delhi;  Prentice Hall of India,  1999. 
 - ix, 442p. 
<br/><br/><label>Subjects--Index Terms: </label>Differential equations 
<br/><br/><label>Universal Decimal Class. No.: </label>517.91  / AHS