TY - JOUR AU - Duda, Jaromír TI - Congruences on products in varieties satisfying the CEP JO - Mathematica slovaca PY - 1986 SP - 171 EP - 177 VL - 36 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MASLO_1986__36_2_a9/ LA - en ID - MASLO_1986__36_2_a9 ER -