@article{IM_1967__3_141865,
     author = {E. THOMA},
     title = {Zur harmonischen {Analyse} klassenfiniter {Gruppen.}},
     journal = {Inventiones mathematicae},
     pages = {20--42},
     publisher = {mathdoc},
     volume = {3},
     year = {1967},
     zbl = {0149.34503},
     url = {http://geodesic.mathdoc.fr/item/IM_1967__3_141865/}
}