RICRA, José; SHEIMBERG, Susana. An optimality Karush - Kuhn Tucker condition for the bilevel programming problem. Revista en Ciencias Básicas y Aplicadas de la Facultad de Ciencias - UNI (REVCIUNI), [S. l.], v. 2, n. 2, p. 1–10, 2021. DOI: 10.21754/revciuni.v2i2.1319. Disponível em: https://revistas.uni.edu.pe/index.php/revciuni/article/view/1319. Acesso em: 7 dic. 2025.