%0 Journal Article
%A A. Stronska
%T Nilpotent subsemigroups of a~semigroup of order-decreasing transformations of a~rooted tree
%J Algebra and discrete mathematics
%D 2006
%P 126-140
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ADM_2006_4_a8/
%G en
%F ADM_2006_4_a8