TY - JOUR AU - T. N. Fomenko TI - Preservation of the existence of coincidence points under some discrete transformations of a pair of mappings of metric spaces JO - Trudy Instituta matematiki i mehaniki PY - 2017 SP - 292 EP - 300 VL - 23 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2017_23_4_a27/ LA - ru ID - TIMM_2017_23_4_a27 ER -