A study of solutions that are continuously differentiable and bounded on $\mathbb{R}^2$ for a system of nonlinear integral partial differential functional equations with linearly transformed argumen. Neliniini Kolyvannya, [S. l.], v. 6, n. 4, p. 448–455, 2003. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/279. Acesso em: 22 jan. 2026.