@article{ELMA_1988__43_3_141436,
     author = {Dieter Ruoff},
     title = {Eine kleine {n-Ecks-Lehre.}},
     journal = {Elemente der Mathematik},
     pages = {129--144},
     publisher = {mathdoc},
     volume = {43},
     number = {3},
     year = {1988},
     zbl = {0703.51015},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1988__43_3_141436/}
}