@article{MM2_1972__7_154104,
     author = {G.J. Rieger},
     title = {\"Uber einige arithmetische {Summen.}},
     journal = {Manuscripta mathematica},
     pages = {23--34},
     year = {1972},
     volume = {7},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MM2_1972__7_154104/}
}