EVTUKHOV, V. M. Asymptotic Representations for Solutions of One Class of Systems of Quasilinear Differential Equations. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 55, n. 12, p. 1658–1668, 2003. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4028. Acesso em: 5 dec. 2025.