Pettofrezzo, Anthony J <br/><br/>
Elements of number theory 
Anthony J Pettofrezzo and Donald R Byrkit 
 - 
 - Prentice-Hall Inc., Englewood Cliffs, New Jersy  1970 
 - 
 - .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Number theory-- Algebra-- Mathematics
<br/><br/><label>Dewey Class. No.: </label>512.7  PET-E;1