KOVTUN, I. I.; FELLER, M. N. Boundary problems and initial-boundary value problems for one class of nonlinear parabolic equations with Lévy Laplacian. Methods of Functional Analysis and Topology, [S. l.], v. 17, n. 2, p. 118–125, 2011. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/476. Acesso em: 13 dec. 2025.