%0 Journal Article
%A N. N. Sharov
%T Upper bounds for the capacity of discrete communication channels
%J Diskretnaya Matematika
%D 1990
%P 155-157
%V 2
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DM_1990_2_1_a15/
%G ru
%F DM_1990_2_1_a15