@article{MOMA_1975__80_177704,
     author = {Evelyn Brinitzer},
     title = {\"Uber (k, r) - {Zahlen.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {31--36},
     publisher = {mathdoc},
     volume = {80},
     year = {1975},
     zbl = {0318.10028},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1975__80_177704/}
}