00349nam a2200145Ia 45000030006000000080041000060400015000471000014000622450047000762500006001232600039001293000006001685460012001740050017001860STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aKoblitz N 2aA Course in Number Theory and Cryptography  a3  bSpringer Group; Delhic2008aDelhi  a0  aEnglish20220125165932.0