@article{FAA_1991_25_1_a3,
     author = {A. O. Radul},
     title = {Lie algebras of differential operators, their central extensions, and $W$-algebras},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {33--49},
     publisher = {mathdoc},
     volume = {25},
     number = {1},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1991_25_1_a3/}
}