TY - BOOK AU - Workshop on "Cryptography and Computational Number theory", (CCNT'99), University of Singapore, November 22-26, 1999 AU - Lam, Kwok-Yan TI - Cryptography and computational number theory; proceedings SN - 3764365102 U1 - 518.1 PY - 2001/// CY - Basel PB - Birkhauser ER -