%0 Journal Article %A Craveiro de Carvalho, F.J. %A Sampaio Martins, J.A. %T Simultaneous complements in n-spaces - an elementary proof %J Portugaliae mathematica %D 1987 %P 329-331 %V 44 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1987__44_3_115592/ %G en %F PORMA_1987__44_3_115592