TY - JOUR AU - Ganyushkin, Olexandr AU - Mazorchuk, Volodymyr TI - On Nilpotent Subsemigroups in some Matrix Semigroups JO - Serdica Mathematical Journal PY - 2007 SP - 287 EP - 300 VL - 33 IS - 2-3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SMJ2_2007_33_2-3_a3/ LA - en ID - SMJ2_2007_33_2-3_a3 ER -