@article{JRAM_1978__301_152032,
     author = {Hubert Tietz},
     title = {Charakterisierungen f\"ur {Hausdorff-Matrizen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {216--220},
     publisher = {mathdoc},
     volume = {301},
     year = {1978},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1978__301_152032/}
}