• Y.M.Lin and C.J.Xu [PDF]
    Finite difference/spectral approximations for the time-fractional diffusion equation,
    J. Comput. Phys., 2007, 225(2), p1533-1552.
  • X.J.Li and C.J.Xu [PDF]
    A Space-Time Spectral Method for the Time Fractional Diffusion Equation,
    SIAM J. Numer. Anal., 2009, 47(3), p2108¨C2131.