@article{MAN_1978__232_163069,
     author = {Hans-Joachim Stender},
     title = {?Verst\"ummelte},
     journal = {Mathematische Annalen},
     pages = {55--64},
     publisher = {mathdoc},
     volume = {232},
     year = {1978},
     zbl = {0372.12009},
     url = {http://geodesic.mathdoc.fr/item/MAN_1978__232_163069/}
}