@article{BAG_1985__19_138296,
     author = {Horst Martini},
     title = {\"Uber scharfe {Schattengrenzen} und {Schnitte} konvexer {Polytope}},
     journal = {Beitr\"age zur Algebra und Geometrie},
     pages = {105--112},
     publisher = {mathdoc},
     volume = {19},
     year = {1985},
     zbl = {0583.52001},
     url = {http://geodesic.mathdoc.fr/item/BAG_1985__19_138296/}
}