Utkin OB, VE Krivonozhko, IA Sablin and M Patrin (2002). “Constructions of Economic Functions in DEA Using Parametric Optimization Methods.” in Emrouznejad A, R Green and V Krivonozhko (eds.) Efficiency and Productivity Analysis in the 21st Century, International Research in Management Science.
Utkin OB, VE Krivonozhko, IA Sablin and M Patrin (2002). “Constructions of Economic Functions in DEA Using Parametric Optimization Methods.” in Emrouznejad A, R Green and V Krivonozhko (eds.) Efficiency and Productivity Analysis in the 21st Century, International Research in Management Science.