@article{FAA_1978_12_3_a19,
     author = {V. V. Sokolov},
     title = {Birationally isomorphic commutative rings of differential operators},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {88--89},
     publisher = {mathdoc},
     volume = {12},
     number = {3},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1978_12_3_a19/}
}