@article{FAA_1980_14_2_a9,
     author = {F. A. Berezin and A. M. Perelomov},
     title = {Group theoretic interpretation of equations of {Korteweg} - de {Vries} type},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {50--51},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1980_14_2_a9/}
}