Roberts, Joe B. <br/><br/>
Elementary number theory:  a problem oriented approach/ 
Joe Roberts. 
 - Cambridge, Mass.:  MIT Press,  c1977. 
 - vi, 271, 375 p. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. [357]-368. 
<br/><br/><label>ISBN: </label>0262680280 
<br/><br/><label>LCCN: </label>76046738 //r92 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Number theory---Problems, exercises, etc.
<br/><br/><label>Dewey Class. No.: </label>512.72  / R645e