Consistent Riccati expansion solvability, symmetries, and analytic solutions of a forced variable-coefficient extended Korteveg-de Vries equation in fluid dynamics of internal solitary waves
Ping Liu(刘萍), Bing Huang(黄兵), Bo Ren(任博), and Jian-Rong Yang(杨建荣)
Chin. Phys. B . 2021, (8): 80203 -080203 .  DOI: 10.1088/1674-1056/ac052a