%0 Journal Article %A Meyer, Paul-André %T Generation of $\sigma $-fields by step processes %J Séminaire de probabilités de Strasbourg %D 1976 %P 118-124 %V 10 %I Springer - Lecture Notes in Mathematics %U http://www.numdam.org/item/SPS_1976__10__118_0/ %G en %F SPS_1976__10__118_0