AFANAS'EVA, E. S. Boundary behavior of ring Q-homeomorphisms on Riemannian manifolds. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 63, n. 10, p. 1299–1313, 2011. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2807. Acesso em: 5 dec. 2025.