1. Higher order local accuracy by averaging in the finite element method
2. Upwinding of high order Galerkin methods in Conduction-Convection problems;Christie;Int. J. for Num. Meth. in Eng.,1978
3. The finite element method for elliptic problems;Ciarlet,1978
4. Asymptotic analysis of singular perturbation problems;Eckhaus,1979
5. A multi-dimensional upwind scheme with no crosswind diffusion;Hughes,1979