1. The natural factor formulation of the stiffness for the matrix displacement method;Argyris;Comput. Meths. Appl. Mech. Engrg.,1975
2. Numerical algorithms for indefinite problems;Axelsson,1984
3. On global convergence of iterative methods;Axelsson,1982
4. A mixed variable finite element method for the efficient solution of nonlinear diffusion and potential flow equations;Axelsson,1985
5. Finite Element Solution of Boundary Value Problems;Axelsson,1984