%0 Journal Article
%A V. I. Sumin
%T Volterra functional-operator equations in the theory of the
%J Doklady Akademii Nauk
%D 1989
%P 1056-1059
%V 305
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1989_305_5_a7/
%G ru
%F DAN_1989_305_5_a7