Guy, Richard K.. <br/><br/>
Unsolved Problems in Number Theory /  

 - 1st ed /  
 - New York 10010 :   Springer-Verlag ,   1985 
 - p.161,xvi :  
<br/><br/><label>ISBN: </label>0-387-90593-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Number Systems
<br/><br/><label>Dewey Class. No.: </label>B13  / M1