MEL’NIK, V. L. Topological classification of (n−1)-convex sets. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 50, n. 9, p. 1236–1243, 1998. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4839. Acesso em: 6 dec. 2025.