%0 Journal Article %A Heath, David C. %T Skorokhod stopping in discrete time %J Séminaire de probabilités de Strasbourg %D 1975 %P 515-517 %V 9 %I Springer - Lecture Notes in Mathematics %U http://www.numdam.org/item/SPS_1975__9__515_0/ %G en %F SPS_1975__9__515_0