%0 Journal Article %A Shalini Jha %A Prasun Das %A Tadeusz Antczak %T Exponential Type Duality for $\eta$-Approximated Variational Problems %J Yugoslav journal of operations research %D 2020 %P 19 %V 30 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/YJOR_2020_30_1_a1/ %G en %F YJOR_2020_30_1_a1