“Initial-boundary-value Problem for a Degenerate Quasilinear Parabolic Equation of Order 2m”, J. Part. Diff. Eq., vol. 3, no. 1, pp. 13–20, Mar. 1990, Accessed: Dec. 05, 2025. [Online]. Available: https://www.global-sci.com/index.php/jpde/article/view/3648