TY - JOUR AU - Duda, Jaromír TI - Varieties of subregular algebras are definable by a Mal'cev condition JO - Commentationes Mathematicae Universitatis Carolinae PY - 1981 VL - 22 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1981__22_3_a16/ LA - en ID - CMUC_1981__22_3_a16 ER -