2Douglas J Jr, Russell T F. Numerical method for convection-dominated diffusion problem based on combining the method of characteristics with finite element or finite difference procedures [ J]. SIAM J. Numer. Anal. ,1982, 19:871 ~ 885.
3Jerome J W. Convection-dominated nonlinear systems analysis of Douglas-Russell transport-diffusion algorithm based on approximate characteristics and invariant regions[J]. SIAN J. Numer. Anal., 1998,25:815~836.