Ritow, Ira <br/><br/>
Capsule calculus 
Ira Ritow 
 - Mineola, NY  Dover Publications  2003 
 - xiii, 177 p. : ill. ; 22 cm 
<br/><br/> Originally published: Garden City, N.Y. : Doubleday, [1962] Includes index 
<br/><br/><label>ISBN: </label>9780486432564 
<br/><br/><label>ISSN: </label>2003053067 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus
<br/><br/><label>Dewey Class. No.: </label>517 RIT