Cassels, J. W. S. <br/><br/>
An Introduction to the Geometry of Numbers 
/ by J. W. S. Cassels 
 - New York:  Springer-Verlag Berlin . heidelberg;  1971. 
 - 344p. 
<br/><br/><label>ISBN: </label>0-387-02397-6 
<br/><br/><label>Dewey Class. No.: </label>512.81  / CAS/A