Akhtar, Ahsan <br/><br/>
Textbook of diferential calculus / 
Ahsan Akhtar and Sabiha Ahsan 
 - 2nd ed. 
 - New Delhi :  PHI Learning,  c2009 
 - xviii, 451 p. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9788120338531 (pbk)  Rs. 350.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential calculus--Textbooks<br/>Differential equations--Textbooks
<br/><br/><label>Dewey Class. No.: </label>515.33