YASCHENKO, V.V. ed. , <br/><br/>
Cryptography An Introduction 

 - Rhode Island  American Mathematical Society  2009 
 - ix, 229p. 
 - Student mathematical library Vol. 18 .
<br/><br/><label>ISBN: </label>9780821848500 
<br/><br/><label>Dewey Class. No.: </label>005.82  / YAS-C