@article{MZ_1933__37_168478,
     author = {A. Zygmund and K. WIENER and R.E.A.C. Paley},
     title = {Notes on random functions.},
     journal = {Mathematische Zeitschrift},
     pages = {647--668},
     year = {1933},
     volume = {37},
     zbl = {0007.35402},
     url = {http://geodesic.mathdoc.fr/item/MZ_1933__37_168478/}
}