STANCU-MINASIAN, I.M.; DOGARU, Gheorghe; STANCU, Mădălina Andreea. Duality for multiobjective fractional programming problems involving d -type-I n-set functions. Yugoslav Journal of Operations Research, [S. l.], v. 19, n. 1, p. 63–73, 2009. DOI: 10.2298/YJOR0901063S. Disponível em: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/254. Acesso em: 30 nov. 2025.