KUIBIDA, V. S.; PRIKARPATSKY, A. K. Parametric integration by Laks of nonlinear dynamic systems and problem of splitting of multisoliton separatrix varieties . Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 44, n. 3, p. 365–379, 1992. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8104. Acesso em: 6 dec. 2025.