Upadhyay B, Antczak T, Mishra S, Shukla K. Nondifferentiable generalized minimax fractional programming under (Ф,ρ)-invexity. YUJOR [Internet]. 2022 Feb. 1 [cited 2025 Jul. 28];32(1):3-27. Available from: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/685