@article{TVP_1991_36_1_a9,
     author = {A. V. Skorokhod},
     title = {$\sigma$-algebras of events on probability spaces. {Congruence} and factorization},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {127--137},
     publisher = {mathdoc},
     volume = {36},
     number = {1},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_1991_36_1_a9/}
}