1. Error estimates for the combined h and p versions of the finite element method;Babuška;Numer. Math.,1981
2. The p and h−p versions of the finite element method, an overview;Babuška;Comput. Methods Appl. Mech. Engng.,1990
3. C. Bernardi, Y. Maday, A.T. Patera, Domain decomposition by the mortar element method, Asymptotic and numerical methods for partial differential equations with critical parameters (Beaune, 1992), NATO Advanced Science Institutes Series C Mathematics and Physical Sciences, Vol. 384, Kluwer, Dordrecht, 1993, pp. 269–286.
4. C. Bernardi, Y. Maday, A.T. Patera, A new nonconforming approach to domain decomposition: the mortar element method. Nonlinear partial differential equations and their applications. Collège de France Seminar, Vol. XI (Paris, 1989–1991), Pitman Research Notes in Mathematics Series 299, Longman Science Technology, Harlow, 1994, pp. 13–51.
5. Raffinement de maillage en elements finis par la methode des joints;Bernardi;C. R. Acad. Sci. Paris Sér. I Math.,1995