TY - JOUR AU - Roman Pol TI - Note on category in Cartesian products of metrizable spaces JO - Fundamenta Mathematicae PY - 1979 SP - 55 EP - 59 VL - 102 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-102-1-55-59/ DO - 10.4064/fm-102-1-55-59 LA - en ID - 10_4064_fm_102_1_55_59 ER -