Gilson C, Lambert F, Nimmo J, et al. On the combinatorics of the Hirota D-operators[J]. Proc Royal Soc,1996,A452:223-234.
[11]
Bell E T. Exponential polynomials[J]. Ann Math,1934,35(2):258-277.
[12]
Fan E G. New bilinear B？cklund transformation and Lax pair for the supersymmetric Two-Boson equation[J]. Studies in Applied Mathematics,2011,127(3):284-301.
[13]
Boiti M, Leon J P, Manna M, et al. On the spectral transform of a Korteweg-de Vries equation in two spatial dimensions[J]. Inverse Problems,1986,2:271-279.
[14]
Radha R, Lakshmanan M. Singularity analysis and localized coherent structures in(2+1)-dimensional generalized Korteweg-de Vries equations[J]. J Math Phys,1994,35:4764.
[15]
Wang M L, Li X Z, Han S X. A nonlinear transformation and multi-soliton solutions to the Nizhnik equation[J]. Mathematica Applicata,2005,18(2):225-231.
[16]
Lambert F, Springael J. Classical Darboux transformations and the KP hierarchy[J]. Inverse Problems,2001,17(4):1067-1074.
