%0 Journal Article %A Nguyen To Nhu %T $P^λ$-spaces and $L^λ$-spaces %J Colloquium Mathematicum %D 1979 %P 67-71 %V 41 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-41-1-67-71/ %R 10.4064/cm-41-1-67-71 %G en %F 10_4064_cm_41_1_67_71