1. A new variational functional for the finite element method and its application to plate and shell problems;Kikuchi;Nucl. Engng Design,1972
2. Marriage a la mode—The best of both worlds (finite elements and Boundary integrals);Zienkiewicz,1979
3. Variational Methods in Elasticity and plasticity;Washizu,1967
4. A History of the Calculus of Variations from the 17–19th Century;Goldstein,1980
5. Non-Homogeneous Boundary Value Problems and Applications;Lions,1972