TY - JOUR AU - P. V. Roldugin TI - Cardinality of subsets of the residue group with nonunit differences of elements JO - Diskretnaya Matematika PY - 2016 SP - 111 EP - 125 VL - 28 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DM_2016_28_3_a7/ LA - ru ID - DM_2016_28_3_a7 ER -