%0 Journal Article %A Joshi, Bhuwan Chandra %T Optimality and duality for nonsmooth semi-infinite mathematical program with equilibrium constraints involving generalized invexity of order $\sigma > 0$ %J RAIRO. Operations Research %D 2021 %P S2221-S2240 %V 55 %I EDP-Sciences %U https://www.numdam.org/articles/10.1051/ro/2020081/ %R 10.1051/ro/2020081 %G en %F RO_2021__55_S1_S2221_0