CASSELS, J.W.S <br/><br/>
Rational quadratic forms 
J.W.S CASSELS 
 - London  Academic Press  1978 
 - xvi, 413p. 
 - L.M.S. Monographs 13 .
<br/><br/><label>ISBN: </label>0121632601 
<br/><br/><label>Dewey Class. No.: </label>512.74 C272R