Martínez Barbeito, Josefina; Pedreira Andrade, Luis P. An algorithm of augmented Lagrangean type. (Spanish. English summary) Zbl 0932.90038 Rev. Invest. Oper. 19, No. 2-3, 176-182 (1998). MSC: 90C30 PDFBibTeX XMLCite \textit{J. Martínez Barbeito} and \textit{L. P. Pedreira Andrade}, Rev. Invest. Oper. 19, No. 2--3, 176--182 (1998; Zbl 0932.90038)
Pedreira Andrade, Luis P.; Seijas Macías, J. Antonio An active set algorithm applied to the analysis of networks with asymmetric costs. (Spanish. English summary) Zbl 0932.90006 Rev. Invest. Oper. 19, No. 2-3, 164-175 (1998). MSC: 90B10 PDFBibTeX XMLCite \textit{L. P. Pedreira Andrade} and \textit{J. A. Seijas Macías}, Rev. Invest. Oper. 19, No. 2--3, 164--175 (1998; Zbl 0932.90006)
Piza Volio, Eduardo Automatic classification: Partitioning by means of simulated annealing. (Spanish. English summary) Zbl 0932.90047 Rev. Invest. Oper. 19, No. 2-3, 152-163 (1998). MSC: 90C90 90C27 62H30 PDFBibTeX XMLCite \textit{E. Piza Volio}, Rev. Invest. Oper. 19, No. 2--3, 152--163 (1998; Zbl 0932.90047)
Gamero Rojas, Javier; Sánchez Montero, Jesús Determination of prices assuming one product, one interval and stochastic demand. (Spanish. English summary) Zbl 0936.91018 Rev. Invest. Oper. 19, No. 2-3, 139-151 (1998). MSC: 91B24 PDFBibTeX XMLCite \textit{J. Gamero Rojas} and \textit{J. Sánchez Montero}, Rev. Invest. Oper. 19, No. 2--3, 139--151 (1998; Zbl 0936.91018)
Boza Chirino, José; Palacios Sánchez, Anselmo The VARES method for the determination of the number of strata for economic variables. (Spanish. English summary) Zbl 0924.62121 Rev. Invest. Oper. 19, No. 2-3, 131-138 (1998). MSC: 62P20 62D05 PDFBibTeX XMLCite \textit{J. Boza Chirino} and \textit{A. Palacios Sánchez}, Rev. Invest. Oper. 19, No. 2--3, 131--138 (1998; Zbl 0924.62121)
Hernández Perez, Nydia Numerical comparison between Bayes and maximum likelihood estimators for the inverse of the covariance matrix under normality. (English) Zbl 0972.62508 Rev. Invest. Oper. 19, No. 2-3, 128-130 (1998). MSC: 62F15 62H12 PDFBibTeX XMLCite \textit{N. Hernández Perez}, Rev. Invest. Oper. 19, No. 2--3, 128--130 (1998; Zbl 0972.62508)
Ortuño, M. T.; Victoriano, B.; Recio, B. Modelling of a problem of sequencing and assigning resources in agricultural harvesting. (Spanish. English summary) Zbl 0932.90022 Rev. Invest. Oper. 19, No. 2-3, 116-127 (1998). MSC: 90B90 90C90 90C05 PDFBibTeX XMLCite \textit{M. T. Ortuño} et al., Rev. Invest. Oper. 19, No. 2--3, 116--127 (1998; Zbl 0932.90022)
Gómez Suárez, M. A.; Pedreira Andrade, L. P. On the interpretation of the primal-dual interior points algorithm. (Spanish. English summary) Zbl 0948.90117 Rev. Invest. Oper. 19, No. 2-3, 97-115 (1998). MSC: 90C25 90C20 90C05 90C51 90C46 49M29 PDFBibTeX XMLCite \textit{M. A. Gómez Suárez} and \textit{L. P. Pedreira Andrade}, Rev. Invest. Oper. 19, No. 2--3, 97--115 (1998; Zbl 0948.90117)
Egusquiza Arrizabalaga, José María A deterministic inventory model with discrete units and delivery delay for the articles to the customers depending on the stock level. (Spanish. English summary) Zbl 0932.90003 Rev. Invest. Oper. 19, No. 2-3, 90-96 (1998). MSC: 90B05 PDFBibTeX XMLCite \textit{J. M. Egusquiza Arrizabalaga}, Rev. Invest. Oper. 19, No. 2--3, 90--96 (1998; Zbl 0932.90003)
Bartelt, M.; Li, W. Convex quadratic feasibility problems and strong unicity (sharp minima). (English) Zbl 0944.90099 Rev. Invest. Oper. 19, No. 2-3, 87-89 (1998). MSC: 90C48 PDFBibTeX XMLCite \textit{M. Bartelt} and \textit{W. Li}, Rev. Invest. Oper. 19, No. 2--3, 87--89 (1998; Zbl 0944.90099)
Schubert, Leo Linear programming with linear restricted parameters. (English) Zbl 0936.90036 Rev. Invest. Oper. 19, No. 2-3, 79-86 (1998). MSC: 90C05 PDFBibTeX XMLCite \textit{L. Schubert}, Rev. Invest. Oper. 19, No. 2--3, 79--86 (1998; Zbl 0936.90036)