Decreasing of the L^1 norm and mass conservation for Porous Medium Equations with advection. REMAT: Revista Eletrônica da Matemática, Bento Gonçalves, RS, v. 4, n. 2, p. 67–77, 2018. DOI: 10.35819/remat2018v4i2id2959. Disponível em: https://periodicos.ifrs.edu.br/index.php/REMAT/article/view/2959.. Acesso em: 19 nov. 2024.