GROGER, K.; PANKOV, A. Meyers type regularity for bounded and almost periodic solutions to nonlinear second order parabolic equations with mixed boundary conditions. Математическая физика, анализ, геометрия, Харків, Україна, v. 3, n. 1-2, p. 46–64, 1996. Disponível em: http://mag.ilt.kharkiv.ua/index.php/mag/article/view/m03-0046e. Acesso em: 20 трав. 2024.