TY - JOUR AU - Chajda, Ivan TI - Direct products of weak homomorphisms JO - Archivum mathematicum PY - 1976 SP - 143 EP - 151 VL - 12 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_1976__12_3_a1/ LA - en ID - ARM_1976__12_3_a1 ER -