Uspensky, J. V. <br/><br/>
Elementary number theory / 
by J.V. Uspensky and M.A. Heaslet. 
 - London :  McGraw-Hill,  1939. 
 - x, 484 p. : 
<br/><br/><label>ISBN: </label>2145 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Number theory.
<br/><br/><label>Dewey Class. No.: </label>512.72  / El