Yaschenko, V. V., ed. <br/><br/>
Cryptography  an introduction 
ed by V. V. Yaschenko 
 - United States of America  American Mathematical Society  2002 
 - ix, 229p. 
 - Student mathematical library  vol.18 .
<br/><br/><label>ISBN: </label>0821829866 
<br/><br/><label>Dewey Class. No.: </label>005.82  / P022