%0 Journal Article %A Rost, Hermann %T Skorokhod stopping times of minimal variance %J Séminaire de probabilités %D 1976 %P 194-208 %V 10 %I Springer - Lecture Notes in Mathematics %U https://www.numdam.org/item/SPS_1976__10__194_0/ %G en %F SPS_1976__10__194_0