%0 Journal Article %A R. Engelking %T On functions defined on Cartesian products %J Fundamenta Mathematicae %D 1966 %P 221-231 %V 59 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-59-2-221-231/ %R 10.4064/fm-59-2-221-231 %G en %F 10_4064_fm_59_2_221_231