%0 Journal Article %A R.L. Wilder %T On the properties of domains and their boundaries in En %J Mathematische Annalen %D 1934 %P 273 %V 109 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/MAN_1934__109_159681/ %G un %F MAN_1934__109_159681