Courant, Richard <br/><br/>
Waht is mathematics?  : an elementary approach to ideas and methods / 

 - New Delhi:  Oxford University Press,  2008 
 - 566p. Bibl. Index. 
<br/><br/><label>ISBN: </label>0195687108 
<br/><br/><label>Dewey Class. No.: </label>510.9  / C858.WM