%0 Journal Article
%A E. V. Shchepin
%T On a problem of L.\,A.~Tumarkin
%J Doklady Akademii Nauk
%D 1974
%P 42-43
%V 217
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1974_217_1_a9/
%G ru
%F DAN_1974_217_1_a9