000 00515nam a2200205Ia 4500
008 131223s9999 xx 000 0 und d
020 _a978-0-8218-3730-6
040 _aISI KOLKATA
041 _aEnglish
082 _a652.8
_bY68
100 _aYoung Anne L
245 _aMathematical ciphers
_bfrom Caesar to RSA
260 _aProvidence
_bAMS
_c2006
300 _aviii,159p.
440 _aMathematical world; v 25
650 _aCiphers
650 _aCryptography
650 _aNumber theory
942 _cBK
999 _c23184
_d23184