%0 Journal Article %A Zhang, Xiaoyan %A Wang, Qilin %T New second-order radial epiderivatives and applications to optimality conditions %J RAIRO - Operations Research - Recherche Opérationnelle %D 2020 %P 949-959 %V 54 %N 4 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/ro/2019033/ %R 10.1051/ro/2019033 %G en %F RO_2020__54_4_949_0