Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{DCG_1990__5_2_131135, author = {G. K\'os and J. T\"or\"ocsik}, title = {Convex {Disks} {Can} {Cover} {Their} {Shadow.}}, journal = {Discrete & computational geometry}, pages = {529--532}, publisher = {mathdoc}, volume = {5}, number = {2}, year = {1990}, zbl = {0712.52003}, url = {http://geodesic.mathdoc.fr/item/DCG_1990__5_2_131135/} }
G. Kós; J. Töröcsik. Convex Disks Can Cover Their Shadow.. Discrete & computational geometry, Tome 5 (1990) no. 2, pp. 529-532. http://geodesic.mathdoc.fr/item/DCG_1990__5_2_131135/