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This paper constructs more general exact solutions than $N$-soliton
solution and Wronskian solution for variable-coefficient
Kadomtsev--Petviashvili (KP) equation. By using the Hirota method
and Pfaffian technique, it finds the Grammian determinant-type
solution for the variable-coefficient KP equation (VCKP), the
Wronski-type Pfaffian solution and the Gram-type Pfaffian solutions
for the Pfaffianized VCKP equation. 相似文献
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