%0 Journal Article %A Roman Sikorski %T On the cartesian product of metric spaces %J Fundamenta Mathematicae %D 1947 %P 288 %V 34 %N 1 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/FUNDAM_1947__34_1_213134/ %G en %F FUNDAM_1947__34_1_213134