%0 Journal Article %A Yung-Ming Chen %T On two-functional spaces %J Studia Mathematica %D 1964 %P 61-88 %V 24 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-24-1-61-88/ %R 10.4064/sm-24-1-61-88 %G en %F 10_4064_sm_24_1_61_88