@article{MAN_1975__216_162735,
     author = {Gunnar Forst},
     title = {The {Definition} of {Energy} in {Non-Symmetric} {Translation} {Invariant} {Dirichlet} {Spaces.}},
     journal = {Mathematische Annalen},
     pages = {165--172},
     publisher = {mathdoc},
     volume = {216},
     year = {1975},
     zbl = {0293.31018},
     url = {http://geodesic.mathdoc.fr/item/MAN_1975__216_162735/}
}