%0 Journal Article
%A A.Y.W. Lau
%T Problems 44 and 39 on compact semilattices.
%J Semigroup forum
%D 1974
%P 179-180
%V 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1974__9_134072/
%F SF_1974__9_134072