SINGH, Kunwar V.K.; MAURYA, J.K.; MISHRA, S.K. Lagrange duality and saddle point optimality conditions for semi-infinite mathematical programming problems with equilibrium constraints. Yugoslav Journal of Operations Research, [S. l.], v. 29, n. 4, p. 433–448, 2019. DOI: 10.2298/YJOR181215014S. Disponível em: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/598. Acesso em: 28 aug. 2025.