BAZALII, B. V.; KRASNOSHCHOK, M. V. Classical Solvability of the First Initial Boundary-Value Problem for a Nonlinear Strongly Degenerate Parabolic Equation. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 56, n. 10, p. 1299–1320, 2004. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3844. Acesso em: 14 apr. 2025.