Courant Richard <br/><br/>
What is mathematics?   An elementary approach to ideas and methods      
Courant Richard; Robbins Herbert 
 - 2 
 - Oxford  Oxford University Press       1996 
 - 566p.  cm. 
<br/><br/><label>Standard No.: </label>18403 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B, N6