%0 Journal Article %A Gunnar Forst %T The Definition of Energy in Non-Symmetric Translation Invariant Dirichlet Spaces. %J Mathematische Annalen %D 1975 %P 165-172 %V 216 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1975__216_162735/ %F MAN_1975__216_162735