Samoilenko, V. H., Yu. I. Samoilenko, and V. S. Vovk. 2019. “Asymptotic Analysis of the Singularly Perturbed Korteweg-De Vries Equation”. Bulletin of Taras Shevchenko National University of Kyiv. Physics and Mathematics, no. 1 (February): 194-97. https://doi.org/10.17721/1812-5409.2019/1.45.