@article{DAN_1971_199_5_a4,
     author = {A. M. Vershik},
     title = {Nonmeasurable decompositions, orbit theory, algebras of operators},
     journal = {Doklady Akademii Nauk},
     pages = {1004--1007},
     publisher = {mathdoc},
     volume = {199},
     number = {5},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_199_5_a4/}
}