00428nam a2200181Ia 4500003000400000005001700004008004100021020001800062040000700080041000800087082001500095100002000110245004500130250000600175260003800181300001400219365001300233OSt20230508113928.0210423s2010    xx            000 0 und d  a9788181282309  cAL  aeng  a512.7 KOBN  aKOBLITZ (Neal).  aCourse in number theory and crytography.  a2  aNew DelhibSpringer Pvt Ltdc2010  ax,235bPB  b495cINR