Challal, Samia, and Abdeslem Lyaghfouri. “Regularity Results for a Quasilinear Free Boundary Problem”. Mathematical Modelling and Analysis 25, no. 3 (May 13, 2020): 338-350. Accessed November 22, 2024. https://jest.vgtu.lt/index.php/MMA/article/view/10659.