%0 Journal Article %A Capel, C.E. %A Strother, W.L. %T Multi-valued functions and partial order %J Portugaliae mathematica %D 1958 %P 41-47 %V 17 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1958__17_1_114798/ %G en %F PORMA_1958__17_1_114798