Initial-boundary-value Problem for a Degenerate Quasilinear Parabolic Equation of Order 2m. Journal of Partial Differential Equations, [S. l.], v. 3, n. 1, p. 13–20, 1990. Disponível em: https://gsp.tricubic.dev/jpde/article/view/3648. Acesso em: 15 mar. 2026.