@article{MAN_1967__173_161615,
     author = {Manfred Herrmann},
     title = {\"Uber {Stellenerweiterungen}},
     journal = {Mathematische Annalen},
     pages = {271--274},
     year = {1967},
     volume = {173},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1967__173_161615/}
}