%0 Journal Article
%A Jiri Kadourek
%T On the word problem for free bands of groups and for free objects in some other  varieties of completely regular semigroups.
%J Semigroup forum
%D 1989
%P 1-56
%V 38
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1989__38_2_134940/
%F SF_1989__38_2_134940