000 00293nam a2200121Ia 4500
008 211209s9999 xx 000 0 und d
020 _a9788181282309
041 _aeng
082 _a512.7 KOB
100 _aKOBLITZ
245 _aA COURSE IN NUMBER THEORY AND CRYPTOGRAPHY
260 _bSPRINGER
999 _c76702
_d76702