Courant, Richard <br/><br/>
What is mathematics?    : An elementary approach to ideas and methods  
/ Richard Cournat and Herbert Robbins ; revised by Ian Stewart. 
 - 2a ed. 
 - New York :  Oxford University Press,  c1996 
 - 566 p. :  IL. ;  23 cm. 
<br/><br/>Bibliografía : Incluye apéndice e índice 
<br/><br/><label>ISBN: </label>0195105192 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Matemáticas
<br/><br/><label>LC Class. No.: </label>QA37.2  / C69 1996 QA37.2  / C68 1996