000 00323nam a2200109Ia 4500
008 160523s9999 xx 000 0 und d
020 _a81-7371-442-8
100 _aCoutinho, S. C.
245 4 _aThe mathematics of ciphers: Number theory and RSA cryptography
260 _aHyderabad
_bUniversity Press
_c1999
300 _axv, 196p.
999 _c1513
_d1513