SHOUKAKU, Y. Oscillation of the solutions of systems of nonlinear parabolic equations with functional arguments. Tamkang Journal of Mathematics, [S. l.], v. 38, n. 4, p. 367–379, 2007. DOI: 10.5556/j.tkjm.38.2007.70. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/70. Acesso em: 26 apr. 2024.