Courant, Richard,  1888-1972. <br/><br/>
What is mathematics? :  an elementary approach to ideas and methods / 
by Richard Courant and Herbert Robbins. 
 - 2nd ed. /  revised by Ian Stewart. 
 - New York :  Oxford University Press,  1996. 
 - 566 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references (p. 549-558) and index. 
<br/><br/><label>ISBN: </label>0195105192 (alk. paper) 
<br/><br/><label>LCCN: </label>95053803  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.
<br/><br/><label>LC Class. No.: </label>QA37.2  / .C69 1996 
<br/><br/><label>Dewey Class. No.: </label>510