@article{MAN_1979__239_163218,
     author = {W. Roelcke and L. Asam and S. Dierolf and P. Dierolf},
     title = {Discontinuous {Translation-Invariant} {Linear} {Forms} on {K(G).}},
     journal = {Mathematische Annalen},
     pages = {219--222},
     publisher = {mathdoc},
     volume = {239},
     year = {1979},
     zbl = {0377.43002},
     url = {http://geodesic.mathdoc.fr/item/MAN_1979__239_163218/}
}