%0 Journal Article %A V. I. Sumin %T Controlled Volterra functional equations and the contraction mapping principle %J Trudy Instituta matematiki i mehaniki %D 2019 %P 262-278 %V 25 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2019_25_1_a19/ %G ru %F TIMM_2019_25_1_a19