%0 Journal Article %A Galyna Tsyaputa %T Isolated and nilpotent subsemigroups in the variants of $\mathcal{IS}_n$ %J Algebra and discrete mathematics %D 2006 %P 89-97 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ADM_2006_1_a7/ %G en %F ADM_2006_1_a7