%0 Journal Article
%A H.J. SHYR
%T Some Free Submonoids of the Free Monoid of Prefix Codes.
%J Semigroup forum
%D 1975
%P 22-29
%V 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1975__11_186352/
%F SF_1975__11_186352