Barbeau, Edward J.  . <br/><br/>
Pell`s equation /  
by Edward J. Barbeau. 
 - New York :   Springer-Verlag ,   2003 
 - xi, 212p :  
<br/><br/><label>ISBN: </label>978-81-8489-851-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pell`s equation
<br/><br/><label>Dewey Class. No.: </label>B23  / P3