%0 Journal Article %A Williams, David %T Conditional excursion theory %J Séminaire de probabilités de Strasbourg %D 1979 %P 490-494 %V 13 %I Springer - Lecture Notes in Mathematics %U http://www.numdam.org/item/SPS_1979__13__490_0/ %G en %F SPS_1979__13__490_0