SAMOILENKO, V. G.; SAMOILENKO, Yu. I. Asymptotic Multiphase Solitonlike Solutions of the Cauchy Problem for a Singularly Perturbed Korteweg–de-Vries Equation with Variable Coefficients. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 66, n. 12, p. 1640–1657, 2014. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2252. Acesso em: 6 dec. 2025.