MISHRA, Shashi Kant; PANDEY, Yogendra. On sufficiency for mathematical programming problems with equilibrium constraints. Yugoslav Journal of Operations Research, [S. l.], v. 23, n. 2, p. 173–182, 2013. DOI: 10.2298/YJOR130207021M. Disponível em: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/358. Acesso em: 26 aug. 2025.