MAKSIMENKO, S. I. Homotopic types of right stabilizers and orbits of smooth functions on surfaces. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 64, n. 9, p. 1165–1204, 2012. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2651. Acesso em: 6 dec. 2025.