Courant, Richard,  1888-1972. <br/><br/>
Introduction to calculus and analysis / 
Richard Courant and Fritz John 
 - New York :  Interscience,  1965 
 - v. :  ill. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus<br/>Mathematical analysis