Samoilenko, V. H.; Samoilenko, Y. I.; Vovk, V. S. Asymptotic Analysis of the Singularly Perturbed Korteweg-De Vries Equation. BTSNUKPhM 2019, No. 1, 194-197. https://doi.org/10.17721/1812-5409.2019/1.45.