@article{MAN_1949__121_160173,
     author = {G\"unter Pickert},
     title = {Zur {\"Ubertragung} der {Kettens\"atze.}},
     journal = {Mathematische Annalen},
     pages = {100--102},
     publisher = {mathdoc},
     volume = {121},
     year = {1949},
     zbl = {0041.16402},
     url = {http://geodesic.mathdoc.fr/item/MAN_1949__121_160173/}
}