1. Andrei, N. (1996a). Computational experience with a modified penalty-barrier method for large-scale nonlinear constrained optimization. (Working Paper No. AMOL-96-1, Research Institute for Informatics-ICI, Bucharest, February 6, 1996).
2. Andrei, N. (1996b). Computational experience with a modified penalty-barrier method for large-scale nonlinear, equality and inequality constrained optimization. (Technical Paper No. AMOL-96-2, Research Institute for Informatics-ICI, Bucharest, February 12, 1996).
3. Andrei, N. (1996c). Computational experience with “SPENBAR” a sparse variant of a modified penalty-barrier method for large-scale nonlinear, equality and inequality, constrained optimization. (Working Paper No. AMOL-96-3, Research Institute for Informatics-ICI, Bucharest, March 10, 1996).
4. Andrei, N. (1996d). Computational experience with “SPENBAR” a sparse variant of a modified penalty-barrier method for large-scale nonlinear, equality and inequality, constrained optimization. (Technical Paper No. AMOL-96-4, Research Institute for Informatics-ICI, Bucharest, March 11, 1996).
5. Andrei, N. (1996e). Numerical examples with “SPENBAR”for large-scale nonlinear, equality and inequality, constrained optimization with zero columns in Jacobian matrices. (Technical Paper No. AMOL-96-5, Research Institute for Informatics-ICI, Bucharest, March 29, 1996).