TY - JOUR AU - M. V. Velichko AU - A. A. Osinovskaya AU - I. D. Suprunenko TI - The group generated by round permutations of the cryptosystem BelT JO - Trudy Instituta matematiki PY - 2007 SP - 15 EP - 21 VL - 15 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMB_2007_15_1_a2/ LA - ru ID - TIMB_2007_15_1_a2 ER -