Dickson, Leonard E.   1874-,  <br/><br/>
Studies in the theory of numbers/ 
by Leonard Eugene Dickson. 
 - New York:  Chelsea Publishing Company,  1957. 
 - 230 pages :  illustrations ;   21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forms, Quadratic.<br/>Number theory.