@article{SPS_1976__10__142_0,
     author = {Meyer, Paul-Andr\'e},
     title = {D\'emonstration probabiliste de certaines in\'egalit\'es de {Littlewood-Paley.} {Expos\'e} {II} : l'op\'erateur carr\'e du champ},
     journal = {S\'eminaire de probabilit\'es de Strasbourg},
     pages = {142--161},
     publisher = {Springer - Lecture Notes in Mathematics},
     volume = {10},
     year = {1976},
     mrnumber = {501380},
     zbl = {0332.60032},
     language = {fr},
     url = {http://www.numdam.org/item/SPS_1976__10__142_0/}
}