%0 Journal Article
%A E. E. Sokol
%T A generalization of McMillan's theorem on the case of countable alphabet
%J Trudy Instituta matematiki
%D 2015
%P 115-122
%V 23
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TIMB_2015_23_1_a8/
%G ru
%F TIMB_2015_23_1_a8