SHVEIDEL, A. Star-shapedness and co-star-shapedness of finite unions and intersections of closed half-spaces. Eurasian Mathematical Journal, [S. l.], v. 1, n. 3, 2024. Disponível em: https://emj.enu.kz/index.php/main/article/view/56. Acesso em: 5 oct. 2024.