Solitonic solutions for a variable-coefficient variant Boussinesq system in the long gravity waves. - De-Xin Meng; Yi-Tian Gao; Xiao-Ling Gai; Lei Wang 036; Xin Yu 005; Zhi-Yuan Sun; Ming-Zhen Wang; Xing Lü (Appl. Math. Comput., 2009)