%0 Journal Article %A K. Urbanik %T The Conditional expectations and the ergodic theorem for strictly stationary generalized stochastic processes %J Studia Mathematica %D 1958 %P 267 %V 17 %N 3 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/STUMA_1958__17_3_216915/ %G en %F STUMA_1958__17_3_216915