@article{STUMA_1958__17_3_216915,
     author = {K. Urbanik},
     title = {The {Conditional} expectations and the ergodic theorem for strictly stationary generalized stochastic processes},
     journal = {Studia Mathematica},
     pages = {267},
     publisher = {mathdoc},
     volume = {17},
     number = {3},
     year = {1958},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/STUMA_1958__17_3_216915/}
}