Courant Richard <br/><br/>
What is mathematics: An elementary approach to ideas and methods 

 -  1941 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>63796 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Maths
<br/><br/><label>Dewey Class. No.: </label>B:9, H1