@article{MZ_1926__25_167888,
     author = {E. Ullrich},
     title = {Zur {Korrespondenz} zweier {KIassen} von {Limitierungsverfahren}},
     journal = {Mathematische Zeitschrift},
     pages = {382--387},
     year = {1926},
     volume = {25},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1926__25_167888/}
}