%0 Journal Article %A T. N. Fomenko %T Preservation of the existence of coincidence points under some discrete transformations of a pair of mappings of metric spaces %J Trudy Instituta matematiki i mehaniki %D 2017 %P 292-300 %V 23 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2017_23_4_a27/ %G ru %F TIMM_2017_23_4_a27