Das,B.C. <br/><br/>
Differential calculus :   for degree course /. 
B.C. Das and  B.N. Mukherjee. 
 - Dhaka :  U. N. Dhur & Sons Privat   C 2009. 
 - xvi, 475  18cm. 
<br/><br/><label>Dewey Class. No.: </label>515.3