1. Antunes, C. H., J. N. Clímaco: Sensitivity analysis in MCDM using the weight space, Europ. J. Oper. Res. 12(1992)187–196
2. Aubin, J.-P.: “Contingent derivatives of set-valued maps and existence of solutions to nonlinear inclusions and differential inclusions”. In: L. Nachbin (ed): Advances in Mathematics, Supplementary Studies, Academic Press, New York, 1981, pp. 160–232
3. Aubin, J.-P., I. Ekeland: Applied Nonlinear Analysis, John Wiley, New York, 1984
4. Aubin, J.-P., H. Frankowska: Set-Valued Analysis, Birkhäuser, Boston, 1990
5. Balbás, A., P. Jiménez Guerra: Sensitivity analysis for convex multiobjective programming in abstract spaces, J. Math. Anal. Appl. 202(1996)645–658