KAPOOR, M.; SUNEJA, S. K.; GROVER, M. B. Higher order optimality and duality in fractional vector optimization over cones. Tamkang Journal of Mathematics, [S. l.], v. 48, n. 3, p. 273–287, 2017. DOI: 10.5556/j.tkjm.48.2017.2311. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/2311. Acesso em: 3 may. 2024.