Courant, Richard,  1888-1972. <br/><br/>
What is mathematics? :  an elementary approach to ideas and methods / 
by Richard Courant and Herbert Robbins ; revised by Ian Stewart. 
 - 2nd ed. 
 - New York, N.Y. :  Oxford Univ. Press,  1996. 
 - 566 p. :  ill. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780195105193 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.
<br/><br/><label>LC Class. No.: </label>QA37.2  / C687W 1996