B. C. Das, B. N. Mukherjee,  2009, <br/><br/>
Differential calculus 
Das, B.C., Mukherjee,B.N. 
 - 51st ed. 
 - Kolkata:  U.N.Dhur,  2009. 
 - 592p.:  21cm. 
<br/><br/><label>ISBN: </label>81-85624-85-0 
<br/><br/><label>Subjects--Personal Names: </label><br/>ANALYSIS.
<br/><br/><label>Dewey Class. No.: </label>515.33  / DAS