@article{SF_1995__50_3_135392, author = {W. Arendt and C.J.K. Batty}, title = {A complex {Tauberian} theorem and mean ergodic semigroups.}, journal = {Semigroup forum}, pages = {351--366}, publisher = {mathdoc}, volume = {50}, number = {3}, year = {1995}, zbl = {0836.47032}, url = {http://geodesic.mathdoc.fr/item/SF_1995__50_3_135392/} }