@article{MM2_1979__30_154691,
     author = {Hans-Wiegand Binzer and V. Mammitzsch},
     title = {Bemerkung zu einem {Satz} von {W.} {Rupp.}},
     journal = {Manuscripta mathematica},
     pages = {383--386},
     publisher = {mathdoc},
     volume = {30},
     year = {1979},
     url = {http://geodesic.mathdoc.fr/item/MM2_1979__30_154691/}
}