[1] Zhang Hong-qing and Wang Ming, On the compactness of quasi-conforming element spaces and the convergence of quasi-conforming element method, Appl. Math. Mech., 7, 5 (1986), 443-459.
[2] Zhang Hong-qing and Wang Ming, Finite element approximations with multiple sets of functions and quasi-conforming elements, Proc. of the 1984 Beijing Symposium on Differential Geometry and Differential Equations, Ed. Feng Kang, Science Press (1985), 354-365.
[3] Stummel, F., Basic compactness properties of nonconforming and hybrid finite element spaces, RAIRO, Numer. Anal., 4, 1 (1980), 81-115.
[4] Adams, R.A., Sobolev Spaces, Academic Press, New York (1975).
[5] Ciarlet, P.C., The Finite Element Method for Elliptic Problems, North-Holland, Amsterdam, New York, Oxford (1978). |