BOLDOVSKAYA, O. M. Removability of an isolated singularity of solutions of the Neumann problem for quasilinear parabolic equations with absorption that admit double degeneration. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 62, n. 7, p. 894–912, 2010. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2923. Acesso em: 5 dec. 2025.