%0 Journal Article %A Alas, Ofelia T. %T A note on functions with a closed graph %J Portugaliae mathematica %D 1983 %P 351-354 %V 42 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1983__42_4_115552/ %G en %F PORMA_1983__42_4_115552