@article{ARM_1975_11_1_a3,
     author = {Karpe, Robert},
     title = {Einige kombinatorische {Identit\"aten}},
     journal = {Archivum mathematicum},
     pages = {53--66},
     year = {1975},
     volume = {11},
     number = {1},
     mrnumber = {0406818},
     zbl = {0337.05013},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/ARM_1975_11_1_a3/}
}