Das, B.C. <br/><br/>
Differnetial calculus 
B.C. Das and B.N. Mukherjee 
 - Calcutta:  U.N. Dhar, 
<br/><br/><label>Standard No.: </label>490  [RecID from old SOUL v2 database] 
<br/><br/><label>Dewey Class. No.: </label>515.33  / D229