@incollection{AST_1977__49__61_0,
     author = {Feldman, Jacob},
     title = {Ergodic theory of continuous group actions},
     booktitle = {Syst\`eme dynamique I - Varsovie},
     series = {Ast\'erisque},
     pages = {61--74},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {49},
     year = {1977},
     mrnumber = {507544},
     zbl = {0377.28018},
     language = {en},
     url = {http://www.numdam.org/item/AST_1977__49__61_0/}
}