%0 Journal Article %A Koushik Das %A Chandal Nahak %T Set-Valued Optimization Problems Via Second-Order Contingent Epiderivative %J Yugoslav journal of operations research %D 2021 %P 75 %V 31 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/YJOR_2021_31_1_a4/ %G en %F YJOR_2021_31_1_a4