TY - JOUR AU - Galyna Tsyaputa TI - Isolated and nilpotent subsemigroups in the variants of $\mathcal{IS}_n$ JO - Algebra and discrete mathematics PY - 2006 SP - 89 EP - 97 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ADM_2006_1_a7/ LA - en ID - ADM_2006_1_a7 ER -