%0 Journal Article %A Robinson, Stewart M. %T A note on realcompact unions %J Portugaliae mathematica %D 1967 %P 289-291 %V 26 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1967__26_3_115030/ %G en %F PORMA_1967__26_3_115030