广义对称正则长波方程的孤波解和周期波解及它们与Hamilton能量的关系
凌兴乾,张卫国

Periodic Wave Solutions, Solitary Wave Solutions and Their Relationship for Generalized Symmetric Regularized Long Wave Equation with Two Nonlinear Terms
Xingqian Ling,Weiguo Zhang
图 2.6 $ n = 0, \Delta<0 $