Pfaffianization of the variable-coefficient Kadomtsev--Petviashvili equation
张晴帆, 范恩贵
Pfaffianization of the variable-coefficient Kadomtsev--Petviashvili equation
Zhang Qing-Fan(张晴帆) and Fan En-Gui(范恩贵)
中国物理B . 2007, (6): 1505 -1509 .  DOI: 10.1088/1009-1963/16/6/002