TY - JOUR AU - Heidari, Dariush AU - Amooshahi, Marzieh TI - Transformation semigroups associated to Γ-semigroups JO - Discussiones Mathematicae. General Algebra and Applications PY - 2013 SP - 249 EP - 259 VL - 33 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DMGAA_2013_33_2_a9/ LA - en ID - DMGAA_2013_33_2_a9 ER -