TY  - BOOK
AU  - Yaschenko, V. V.,
TI  - Cryptography : an introduction 
T2  - Student mathematical library1520-9121
SN  - 9780821848500
U1  - 005.8221 YAS 
PY  - 2002///
CY  - New Delhi
PB  - Universities Press
N1  - Includes bibliographical references (p. 225-229)
ER  -