B. A Venkov <br/><br/>
Elementary number theory 

 - Groningen  Wolters-Nordhoff Publishers  1970 
 - 249p 
<br/><br/>B. A Venkov & Helen Alderson: Elementary number theory.  Groningen.  Wolters-Nordhoff Publishers, 1970. 90-01-89620-0--(512.72VEN)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>90-01-89620-0 
<br/><br/><label>Dewey Class. No.: </label>512.72  / VEN