@article{105539, author = {Ryotaro Sato}, title = {A note on operator convergence for semigroups}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {015}, year = {1974}, pages = {127-129}, zbl = {0275.47021}, mrnumber = {0341140}, language = {en}, url = {http://dml.mathdoc.fr/item/105539} }
Sato, Ryotaro. A note on operator convergence for semigroups. Commentationes Mathematicae Universitatis Carolinae, Tome 015 (1974) pp. 127-129. http://gdmltest.u-ga.fr/item/105539/
On the mean ergodic theorem for subsequences, Bull. Amer. Math. Soc. 66 (1960), 308-311. (1960) | MR 0118803 | Zbl 0096.09005
A note on the Blum-Hanson theorem, Proc. Amer. Math. Soc. 30 (1971), 202-203. (1971) | MR 0281023 | Zbl 0218.28012