TY - JOUR AU - Pócs, Jozef TI - Congruence relations on direct products of lattices JO - Mathematica slovaca PY - 1982 SP - 173 EP - 175 VL - 32 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MASLO_1982__32_2_a8/ LA - en ID - MASLO_1982__32_2_a8 ER -