Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MAT_1963_7_2_a7, author = {R. V. Chakon}, title = {An ergodic theorem for operators satisfying norm conditions}, journal = {Matematika}, pages = {131--138}, publisher = {mathdoc}, volume = {7}, number = {2}, year = {1963}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MAT_1963_7_2_a7/} }
R. V. Chakon. An ergodic theorem for operators satisfying norm conditions. Matematika, Tome 7 (1963) no. 2, pp. 131-138. http://geodesic.mathdoc.fr/item/MAT_1963_7_2_a7/