%0 Journal Article %A Sony Khatri %A Ashish Kumar Prasad %T Higher order fractional variational symmetric duality over cone constraints %J Yugoslav journal of operations research %D 2023 %P 259 %V 33 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/YJOR_2023_33_2_a5/ %G en %F YJOR_2023_33_2_a5