TARANETS, R. M. Finite speed of propagation for the thin-film equation in the spherical geometry. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 71, n. 6, p. 840–851, 2019. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1479. Acesso em: 5 dec. 2025.