Urbanik, Kazimierz Generalized convolutions. II. (English) Zbl 0283.60017 Stud. Math. 45, 57-70 (1973). MSC: 60E05 28A10 PDFBibTeX XMLCite \textit{K. Urbanik}, Stud. Math. 45, 57--70 (1973; Zbl 0283.60017) Full Text: DOI EuDML
Sato, R. On the individual ergodic theorem for subsequences. (English) Zbl 0219.47009 Stud. Math. 45, 31-35 (1973). MSC: 47A35 28D05 PDFBibTeX XMLCite \textit{R. Sato}, Stud. Math. 45, 31--35 (1973; Zbl 0219.47009) Full Text: DOI EuDML