00709nam0-22002411i-450-990001264200403321000126420FED01000126420(Aleph)000126420FED01000126420--------d--------km-y0itay50------baeng<<A >>course in number theory and cryptographyby KoblitzNew York [etc.]Springer-Verlag1987Graduate texts in mathematics114Koblitz,Neal41895ITUNINARICAUNIMARCBK990001264200403321C-12-(1143614MA1MA1Course in number theory and cryptography375896UNINA