机译:耦合Kadomtsev-Petviashvili方程的对称群和一般对称群
Nonlinear Science Center and Department of Mathematics, Ningbo University, Ningbo 315211, China;
Nonlinear Science Center and Department of Mathematics, Ningbo University, Ningbo 315211, China;
MM Key Laboratory, Chinese Academy of Sciences, Beijing 100190, China;