Wright, Steve. <br/><br/>
Quadratic residues and non-residues: Selected topics 
by Steve Wright 
 - Switzerland  Springer  2016 
 - xiii, 292p. 
 - Lecture Notes in Mathematics; 2171   .
<br/><br/><label>ISBN: </label>9783319459547 
<br/><br/><label>Dewey Class. No.: </label>512.72  / P16