Courant, R. <br/><br/>
What is mathematics ?  an elementary approach to ideas and methods 
R. Courant and H. Robbins                                                  
 - Oxford  Oxford University Press  1941 
 - 521p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Universal Decimal Class. No.: </label>51  / COU