DUBEY, R.; GUPTA, S. K. DUALITY FOR A NONDIFFERENTIABLE MULTIOBJECTIVE HIGHER-ORDER SYMMETRIC FRACTIONAL PROGRAMMING PROBLEMS WITH CONE CONSTRAINTS. Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO), [S. l.], v. 7, n. 1, p. 1–15, 2016. Disponível em: https://ph03.tci-thaijo.org/index.php/jnao/article/view/2804. Acesso em: 2 sep. 2026.