@article{ASENS_2015__48_5_1113_0,
     author = {Bowen, Lewis and Nevo, Amos},
     title = {Von {Neumann} and {Birkhoff} ergodic theorems for negatively curved groups},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {1113--1147},
     publisher = {Soci\'et\'e Math\'ematique de France. Tous droits r\'eserv\'es},
     volume = {Ser. 4, 48},
     number = {5},
     year = {2015},
     doi = {10.24033/asens.2267},
     mrnumber = {3429477},
     language = {en},
     url = {http://www.numdam.org/articles/10.24033/asens.2267/}
}