Fourth order time-stepping for low dispersion Korteweg-de Vries and nonlinear Schrödinger equations. Klein, Christian (2007) ETNA. Electronic Transactions on Numerical Analysis [electronic only]
Fredholm determinants Henry McKean (2011) Open Mathematics The article provides with a down to earth exposition of the Fredholm theory with applications to Brownian motion and KdV equation.
Further extended sinh-cosh and sin-cos methods and new nontraveling wave solutions of the ( 2 + 1 ) -dimensional dispersive long wave equations. Wang, Deng-Shan, Ren, Yu-Jie, Zhang, Hong-Qing (2005) Applied Mathematics E-Notes [electronic only]