@article{MZ_1960__73_169857,
     author = {Ivan Paasche},
     title = {Zu einer {Identit\"at} von {Perron.}},
     journal = {Mathematische Zeitschrift},
     pages = {376--381},
     publisher = {mathdoc},
     volume = {73},
     year = {1960},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1960__73_169857/}
}