@article{DAN_1990_314_5_a15,
     author = {A. G. Chentsov},
     title = {Asymptotic effectiveness and extensions in a class of finitely},
     journal = {Doklady Akademii Nauk},
     pages = {1085--1087},
     publisher = {mathdoc},
     volume = {314},
     number = {5},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_314_5_a15/}
}