“Decreasing of the L^1 Norm and Mass Conservation for Porous Medium Equations With Advection”. REMAT: Revista Eletrônica da Matemática 4, no. 2 (dezembro 31, 2018): 67–77. Acessado novembro 19, 2024. https://periodicos.ifrs.edu.br/index.php/REMAT/article/view/2959.