References

• Duff, I., Erisman, A., and Reid, J., 1986, Direct Methods for Sparse Matrices: Oxford University Press.

• Fornberg, B., 1989, Accurate representations of interfaces in elastic wave calculations: Geophysics, 53, 625-638.

• Golub, G., and Van Loan, C., 1989, Matrix Computations (second edition): John Hopkins University Press.

• Johnson, C., 1989, Numerical solution of partial differential equations by the finite element method: Cambridge University Press.

• Lee, H-C., and Wathen, A.J., 1989, On element-by-element preconditioning for general elliptic problems: Numerical Analysis Report NA-89-10, Computer Science Dept., Stanford University.

• Mathur, K., 1990, On the use of randomized address maps in unstructured three dimensional finite element simulations: Thinking Machines Corporation, technical report series, CS90-4.