%0 Journal Article %A B. Chalmers %A F. Metcalf %T A simple formula showing L¹ is a maximal overspace for two-dimensional real spaces %J Annales Polonici Mathematici %D 1991 %P 303-309 %V 56 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-56-3-303-309/ %R 10.4064/ap-56-3-303-309 %G en %F 10_4064_ap_56_3_303_309