@article{SPS_1976__10__118_0,
     author = {Meyer, Paul-Andr\'e},
     title = {Generation of $\sigma $-fields by step processes},
     journal = {S\'eminaire de probabilit\'es de Strasbourg},
     pages = {118--124},
     publisher = {Springer - Lecture Notes in Mathematics},
     volume = {10},
     year = {1976},
     mrnumber = {438448},
     zbl = {0332.60018},
     language = {en},
     url = {http://archive.numdam.org/item/SPS_1976__10__118_0/}
}