@article{1177693338, author = {Krengel, Ulrich}, title = {On the Individual Ergodic Theorem for Subsequences}, journal = {Ann. Math. Statist.}, volume = {42}, number = {6}, year = {1971}, pages = { 1091-1095}, language = {en}, url = {http://dml.mathdoc.fr/item/1177693338} }
Krengel, Ulrich. On the Individual Ergodic Theorem for Subsequences. Ann. Math. Statist., Tome 42 (1971) no. 6, pp. 1091-1095. http://gdmltest.u-ga.fr/item/1177693338/