Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{BAG_1987__25_138385, author = {S. Krotoszynski}, title = {Covering a plane convex body with five smaller homothetical copies}, journal = {Beitr\"age zur Algebra und Geometrie}, pages = {171--176}, publisher = {mathdoc}, volume = {25}, year = {1987}, zbl = {0619.52003}, url = {http://geodesic.mathdoc.fr/item/BAG_1987__25_138385/} }
S. Krotoszynski. Covering a plane convex body with five smaller homothetical copies. Beiträge zur Algebra und Geometrie, Tome 25 (1987), pp. 171-176. http://geodesic.mathdoc.fr/item/BAG_1987__25_138385/