Gayatri Devi, and Rashmita Mohanty. “Higher Order Duality in Non-Differentiable Minimax Fractional Programming With Generalized $\left(F, \alpha , \rho , d\right)$--Type I Function”. International Journal of Mathematics And Its Applications, vol. 3, no. 3 - B, Oct. 2015, pp. 21-25, https://ijmaa.in/index.php/ijmaa/article/view/453.