@article{BAG_1987__25_138382,
     author = {O. KR\"OTENHEERDT},
     title = {Tori in dichten gitterf\"ormigen {Kugelpackungen}},
     journal = {Beitr\"age zur Algebra und Geometrie},
     pages = {123--146},
     year = {1987},
     volume = {25},
     url = {http://geodesic.mathdoc.fr/item/BAG_1987__25_138382/}
}