%0 Journal Article
%A A. V. Arkhangel'skiǐ
%T The spectrum of frequencies of a~topological space and the product operation
%J Trudy Moskovskogo matematičeskogo obŝestva
%D 1979
%P 171-206
%V 40
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MMO_1979_40_a4/
%G ru
%F MMO_1979_40_a4