1. A posteriori error estimates for the finite element method;Babuska;Internat. J. Numer. Meths. Engrg.,1978
2. Analysis of optimal finite-element meshes in R1;Babuska;Math. Comput.,1979
3. Reliable error estimation and mesh adaptation for the finite element method;Babuska,1980
4. On the rates of convergence of the finite element method;Babuska;Internat. J. Numer. Meths. Engrg.,1982
5. An adaptive computer program for the solution of DIV(P(X, Y)GRAD U)= F(X, Y, U) on a polygonal region;Sewell,1976