%0 Journal Article
%A V. L. Timokhovich
%T On spaces with $\omega$-systems
%J Doklady Akademii Nauk
%D 1972
%P 1060-1062
%V 207
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1972_207_5_a11/
%G ru
%F DAN_1972_207_5_a11