1. On the Iterative Solution of a System of Linear Equations;Aitken;Proc Royal Soc Edinburgh,1950
2. Bounds for the Solutions of the Sturm-Liouville Problem with Application to Finite Difference Methods;Aziz;Georgetown University report,1961
3. Über die Numerische Auflösung von Randwertproblemen bei Elliptischen Differentialgleichungen;Batschelet;A. Angew Math Physik,1952
4. Fourth Order Finite Difference Analogues of the Dirichlet Problem for Poisson's Equation in Three and Four Dimensions
5. On the Formulation of Finite Difference Analogues of the Dirichlet Problem for Poisson's Equation;Bramble;Numerische Mathematik,1962