1. A generalized SSOR method;Axelsson;BIT,1972
2. On some versions of incomplete block-matrix factorization iterative methods;Axelsson,1983
3. On some versions of incomplete block-matrix factorization iterative methods;Axelsson;Linear Algebra Appl.,1984
4. A general incomplete block-matrix factorization method;Axelsson,1983
5. Finite Element Solutions of Boundary Problems, Theory and Computation;Axelsson,1984