TY - JOUR AU - S. K. Rososhek TI - Cryptosystems in automorphism groups of group rings of Abelian groups JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 2007 SP - 157 EP - 164 VL - 13 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_2007_13_3_a15/ LA - ru ID - FPM_2007_13_3_a15 ER -