Koblitz Neal, <br/><br/>
A Course in number theory and cryptography 
by Neal Koblitz 
 - 2nd ed. 
 - New York  Springer-Verlag  1987 
 - 235P. 
<br/><br/><label>ISBN: </label>978-0-387-94293-3 
<br/><br/><label>Dewey Class. No.: </label>B13  / M7