Existence and asymptotic properties of a solution of a nonlinear boundary-value problem on the real axis. Neliniini Kolyvannya, [S. l.], v. 23, n. 4, p. 484–492, 2020. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/1004. Acesso em: 21 jan. 2026.