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

 - 56th ed. 
 - Kolkata  U.N. Dhur and Sons  2017 
 - xxxviii, 607p.  21x13cm. 
<br/><br/><label>ISBN: </label>9789380673448  260 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Elementary Function | Partial Differentiation
<br/><br/><label>Dewey Class. No.: </label>515.33  / DAS/DIF