Das,B.C., <br/><br/>
Differential Calculus 

 - 55th /   2015. 
 - Kolkata:  U.N.Dhur & Sons Private Ltd..  2015. 
 - 607p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Mathematics, Differential Calculus. 
<br/><br/><label>Dewey Class. No.: </label>515.33