Coutinho, S C <br/><br/>
Mathematics of Ciphers 

 - Hyderabad  Universities Press  2003 
 - xv+19 
<br/><br/><label>Subjects--Topical Terms: </label><br/>computer science information & general works--General Stack--Computer programming, programs & dataMathematics
<br/><br/><label>Dewey Class. No.: </label>5.82  / COU-M