@article{JRAM_1955__194_150293,
     author = {Hans-Joachim Kanold},
     title = {\"Uber mehrfach vollkommene {Zahlen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {218--220},
     publisher = {mathdoc},
     volume = {194},
     year = {1955},
     zbl = {0065.02707},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1955__194_150293/}
}