@article{CMUC_1974__15_1_a10, author = {Sato, Ryotaro}, title = {A note on operator convergence for semigroups}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {127--129}, publisher = {mathdoc}, volume = {15}, number = {1}, year = {1974}, mrnumber = {0341140}, zbl = {0275.47021}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1974__15_1_a10/} }