1. An Introduction to the Finite Element Method;Reddy,1984
2. Applied Functional Analysis and Variational Methods in Engineering;Reddy,1986
3. The Finite Element Method;Zienkiewicz,1977
4. Finite Element Procedures in Engineering Analysis;Bathe,1982
5. Mixed finite-element approximations of linear boundary-value problems;Reddy;Q. Appl. Math.,1975