1. On the rates of convergence of the finite element method;Babuska;Int. J. Numer Meth. Engng,1982
2. T. Belytschko, J. Fish and A. Bayliss, The spectral overlay on the finite element solutions with high gradients. Comp. Meth. Appl. Mech. Engng, to be published.
3. Adaptive mesh refinement for hyperbolic partial differential equations;Berger,1983
4. The fast adaptive composite grid method for elliptic boundary value problems;McCormick;Math. Comp.,1986
5. Adaptive overlapping methods for parabolic systems;Flaherty,1989