@article{JRAM_1979__310_152161,
     author = {Fritz Mayer-Lindenberg},
     title = {Invariante {Spuren} auf {Gruppenalgebren.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {204--213},
     publisher = {mathdoc},
     volume = {310},
     year = {1979},
     zbl = {0411.43009},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1979__310_152161/}
}