@article{MAN_1957__134_160596,
     author = {G.J. Rieger},
     title = {Ein weiterer {Beweis} der {Selbergschen} {Formel} f\"ur {Idealklassen} mod f in algebraischen {Zahlk\"orpern.}},
     journal = {Mathematische Annalen},
     pages = {403--407},
     publisher = {mathdoc},
     volume = {134},
     year = {1957},
     zbl = {0085.02503},
     url = {http://geodesic.mathdoc.fr/item/MAN_1957__134_160596/}
}