Verma RU. Parametrically Sufficient Optimality Conditions for Multiobjective Fractional Subset Programming Relating to Generalized $(\eta, \rho, \theta)$-Invexity of Higher Order. Jour. Inform. Math. Sci. [Internet]. 2013 Dec. 30 [cited 2024 Nov. 22];5(3):143-56. Available from: http://rgnpublications.com/journals/index.php/jims/article/view/221