TY - JOUR AU - Roman Sikorski TI - On the cartesian product of metric spaces JO - Fundamenta Mathematicae PY - 1947 SP - 288 VL - 34 IS - 1 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/FUNDAM_1947__34_1_213134/ LA - en ID - FUNDAM_1947__34_1_213134 ER -