00505nam a2200193Ia 4500003000400000005001700004008004100021020002200062040000700084041000800091082002100099100001900120245008000139250000600219260003600225300001500261365001700276650001800293OSt20230502152103.0210423s2000    xx            000 0 und d  a978-1-4612-6442-2  cAL  aeng  a512.7 223bKOBC  aKOBLITZ (Neal)  aCourse in number theory and cryptography Ed2bGraduate texts in mathematics  a2  aNew YorkbSpringer Verlagc2000  avi,235bPB  b4079.19cINR  aNumber Theory