%0 Journal Article
%A V. V. Fedorchuk
%T On a problem of A.\,N.~Tihonov
%J Doklady Akademii Nauk
%D 1973
%P 1297-1299
%V 210
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1973_210_6_a11/
%G ru
%F DAN_1973_210_6_a11