@article{AM2_1984__27_137017,
     author = {Peter Volkmann and Herbert Weigel},
     title = {\"Uber ein {Problem} von {Feny\"o.}},
     journal = {Aequationes mathematicae},
     pages = {135--149},
     year = {1984},
     volume = {27},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/AM2_1984__27_137017/}
}