On Closed Sets with Convex Projections under Somewhere Dense Sets of Directions

Autor:	Barov, Stoyu, Dijkstra, Jan J.
Zdroj:	Proceedings of the American Mathematical Society, 2009 Jul 01. 137(7), 2425-2435.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/20536003 Zobrazit plný text záznamu