Bazalii, B. V., & Krasnoshchok, M. V. (2004). Classical Solvability of the First Initial Boundary-Value Problem for a Nonlinear Strongly Degenerate Parabolic Equation. Ukrains’kyi Matematychnyi Zhurnal, 56(10), 1299-1320. Retrieved from https://umj.imath.kiev.ua/index.php/umj/article/view/3844