1. Numerical solution of a certain class of non-linear two-point boundary value problems;Allen;J. Computational Phys.,1969
2. Discrete invariant imbedding and elliptic boundary value problems over irregular regions;Angel;J. Math. Anal. Appl.,1968
3. Initial Value Transformations for Elliptic Boundary Value Problems;Angel;U.S.C.E.E. Tech. Report 70-30,1970
4. Initial Value problems in Potential Theory;Angel;U.S.C.E.E. Tech. Report 70-22,1970
5. A One Sweep Numerical Method for Vector-Matrix Difference Equations with Two-Point Boundary Conditions;Angel;U.S.C.E.E. Tech. Report 70-16,1970