saxena and gupta h.c and k.c <br/><br/>
Differential calculus 

<br/><br/><label>ISBN: </label>SL0481608 
<br/><br/><label>Standard No.: </label>190371 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B321, k8;l6