%0 Journal Article
%A J. Néraud
%T On the deficit of a set of words.
%J Semigroup forum
%D 1990
%P 1-22
%V 41
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1990__41_2_135032/
%F SF_1990__41_2_135032