VERMA, R. U. Parametrically Sufficient Optimality Conditions for Multiobjective Fractional Subset Programming Relating to Generalized $(\eta, \rho, \theta)$-Invexity of Higher Order. Journal of Informatics and Mathematical Sciences, [S. l.], v. 5, n. 3, p. 143–156, 2013. DOI: 10.26713/jims.v5i3.221. Disponível em: https://www.rgnpublications.com/journals/index.php/jims/article/view/221. Acesso em: 2 may. 2024.