@article{DAN_1990_312_6_a2,
     author = {V. Ya. Golodets and S. D. Sinel'shchikov},
     title = {Amenable ergodic actions of groups and images of cocycles},
     journal = {Doklady Akademii Nauk},
     pages = {1296--1299},
     publisher = {mathdoc},
     volume = {312},
     number = {6},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_312_6_a2/}
}