@article{MM2_1982__37_154825,
     author = {Thomas Petternell},
     title = {\"Uber exzeptionelle {Mengen.}},
     journal = {Manuscripta mathematica},
     pages = {19--26},
     year = {1982},
     volume = {37},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MM2_1982__37_154825/}
}