TY  - GEN
AU  - Koblitz,Neal
TI  - A course in number theory and cryptography
SN  - 0387965769
U1  - 512/.7 
PY  - 1987///
CY  - New York
PB  - Springer-Verlag
KW  - Number theory
KW  - Cryptography
N1  - Contine bibliogr. si index
ER  -