Das, B.C. <br/>
Key to Integral Calculus /  
B.C.Das, B.N.Mukherjee 
 - 54th ed 
 - Kolkata :  U,N,Dhur & Sons Private Ltd.  c2011. 
 - 600 p. :  18 cm.  
<br/><br/><label>ISBN: </label>978-93-80673-23-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>515.43 / DAK