Journal of Physics. A. Mathematical and Theoretical (J. Phys. A) (20230101), 56, no.~38, Paper No 385203, 15~pp. ISSN: 1751-8113 (print).eISSN: 1751-8121.
Subject
35 Partial differential equations -- 35Q Equations of mathematical physics and other areas of application 35Q53 KdV-like equations