@article{FAA_1992_26_4_a1,
     author = {A. S. Dzhumadil'daev},
     title = {Central extensions of infinite-dimensional {Lie} algebras},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {21--29},
     publisher = {mathdoc},
     volume = {26},
     number = {4},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1992_26_4_a1/}
}