000 00551nam a2200181Ia 4500
008 161214s9999 xx 000 0 und d
020 _a0883857197
_c(pbk)
082 _223
_a652.8
_bLEW
100 _aLewand, Robert Edward
245 0 _aCryptological mathematics
260 _aWashington:
_bMathematical Association of America,
_c2000
300 _axiv, 199 p.;
_bill.:
_c25 cm.
490 _aClassroom resource materials
650 _aCryptography -- Problems, exercises etc.
650 _aCryptography
650 _aNumber theory
942 _2ddc
_cBK
999 _c4546
_d4546