- P. Schwarztrauber and R. Sweet
Efficient FORTRAN Subprograms for the Solution of Elliptic Partial Differential Equations,
NCAR/TN-109+IA, July 1975.
- N.K. Madsen
An Application of a Capacitance Matrix Technique to Expand the
Usefulness of a PDE Software Package, Technical Memorandum 77-3,
Numerical Mathematics Group,
Lawrence Livermore National Laboratory, February 1977.
NESC9680/01, included references:
- William J. Orvis:
POSSOL Poisson Equation Solver
UCID-20539 (August 1985)