@article{05529365,
title = {On shadow boundaries of centrally symmetric convex bodies.},
journal = {Beitr\"age zur Algebra und Geometrie},
volume = {50},
year = {2009},
pages = {219-233},
zbl = {1166.52007},
language = {en},
url = {http://dml.mathdoc.fr/item/05529365}
}
Horváth, Á.G. On shadow boundaries of centrally symmetric convex bodies.. Beiträge zur Algebra und Geometrie, Tome 50 (2009) pp. 219-233. http://gdmltest.u-ga.fr/item/05529365/