@article{MAN_1941__118_160082,
     author = {F. Wecken},
     title = {Fixpunktklassen {II.}},
     journal = {Mathematische Annalen},
     pages = {216--234},
     year = {1941},
     volume = {118},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1941__118_160082/}
}