%0 Journal Article
%A M.B. Szendrei
%A G. Pollák
%T Problems (Raised at the Colloquium on Semigroups, Szeged, 15-19 August, 1994).
%J Semigroup forum
%D 1996
%P 390-393
%V 53
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1996__53_2_135502/
%G en
%F SF_1996__53_2_135502