%0 Journal Article
%A C.J. Ash
%T A uniform chain whose inverse semigroup has no chart.
%J Semigroup forum
%D 1979
%P 1-4
%V 18
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1979__18_134334/
%F SF_1979__18_134334