@article{MAN_1950__122_160196,
     author = {H. Richter},
     title = {\"Uber {Matrixfunktionen}},
     journal = {Mathematische Annalen},
     pages = {16--34},
     publisher = {mathdoc},
     volume = {122},
     year = {1950},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1950__122_160196/}
}