@article{DAN_1973_209_1_a1,
     author = {A. M. Vershik},
     title = {A metric invariant of automorphisms of a measure space connected with uniform approximation and sequences of partitions},
     journal = {Doklady Akademii Nauk},
     pages = {15--18},
     publisher = {mathdoc},
     volume = {209},
     number = {1},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_209_1_a1/}
}