%0 Journal Article
%A Halina Swiatak
%T On an equation of information theory (Short Communication).
%J Aequationes mathematicae
%D 1979
%P 117-117
%V 19
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1979__19_136815/
%F AM2_1979__19_136815