1. Direct methods for solving elliptic difference equations;Golub,1971
2. Applied and Computational Complex Analysis;Henrici,1976
3. Computational Methods in Ordinary Differential Equations;Lambert,1973
4. Stable high order implicit methods for the numerical solution of systems of differential equations;Makinson;The Computer Journal,1968
5. On the concepts of convergence, consistency and stability in connection with some numerical methods;Mäkelä;Numer. Math.,1974