%0 Journal Article %A A. P. Shveidel %T Star-shapedness and co-star-shapedness of finite unions and intersections of closed half-spaces %J Eurasian mathematical journal %D 2010 %P 134-147 %V 1 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/EMJ_2010_1_3_a7/ %G en %F EMJ_2010_1_3_a7