Biswal, Purna Chandra <br/><br/>
Ordinary differential equations / 
Purna Chandra Biswal 
 - 2nd ed. 
 - New Delhi, India :  PHI Learning,  c2012 
 - xiii, 378 p. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9788120346222 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations