%0 Journal Article %A Walsh, John B. %T Two footnotes to a theorem of Ray %J Séminaire de probabilités de Strasbourg %D 1971 %P 283-289 %V 5 %I Springer - Lecture Notes in Mathematics %U http://archive.numdam.org/item/SPS_1971__5__283_0/ %G en %F SPS_1971__5__283_0