000 00326nam a2200145Ia 4500
008 240112s9999 xx 000 0 und d
082 _aYAS-I2
_b510
100 _aYaschenko, V V Ed
245 0 _aIntroduction to cryptography
250 _a2
260 _bAMS
_c2009
300 _a229
650 _aMathematics
942 _cBK
999 _c22576
_d22576