%0 Journal Article %A Lin, You-Feng %T A note on the Wallace theorem %J Portugaliae mathematica %D 1960 %P 199-201 %V 19 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1960__19_3_114840/ %G en %F PORMA_1960__19_3_114840