@article{BAG_1992__33_138500,
     author = {M. Schmitz},
     title = {Die {Zerlegung} spezieller {Einheitskreis\"uberdeckungen} in drei {Einheitskreispackungen}},
     journal = {Beitr\"age zur Algebra und Geometrie},
     pages = {17--38},
     publisher = {mathdoc},
     volume = {33},
     year = {1992},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/BAG_1992__33_138500/}
}