JAYSWAL, Anurag; PRASAD, Ashish Kumar; STANCU-MINASIAN, I.M. On nonsmooth multiobjective fractional programming problems involving (p, r)− ρ −(η ,θ)- invex functions. Yugoslav Journal of Operations Research, [S. l.], v. 23, n. 3, p. 367–386, 2013. DOI: 10.2298/YJOR130131012J. Disponível em: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/372. Acesso em: 30 oct. 2025.