Samoilenko VG, Samoilenko YI. Asymptotic Expansions for One-Phase Soliton-Type Solutions of the Korteweg-De Vries Equation with Variable Coefficients. Ukr. Mat. Zhurn. [Internet]. 2005Jan.25 [cited 2024Nov.22];57(1):111–124. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3578