BAK, S. N. Existence of the solitary traveling waves for a system of nonlinearly coupled oscillators on the 2d -lattice. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 69, n. 4, p. 435–444, 2017. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1707. Acesso em: 5 dec. 2025.