TY - JOUR AU - S. Zhang AU - C.A. Vachuska TI - Varieties of completely regular semigroups generated by Mal'cev products. JO - Semigroup forum PY - 1994 SP - 175 EP - 194 VL - 49 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1994__49_2_135346/ ID - SF_1994__49_2_135346 ER -