Ţigan, Ştefan, and Ioan M. Stancu-Minasian. “Local-Global Efficiency Properties for Multiobjective Max-Min Programming”. Rev. Anal. Numér. Théor. Approx. 33, no. 2 (August 1, 2004): 251–257. Accessed April 29, 2024. https://ictp.acad.ro/jnaat/journal/article/view/2004-vol33-no2-art19.