@article{TMF_1983_56_3_a4,
     author = {M. B. Sheftel},
     title = {On the infinite-dimensional noncommutative {Lie{\textendash}B\"acklund} algebra associated with the equations of one-dimensional gas dynamics},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {368--386},
     year = {1983},
     volume = {56},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1983_56_3_a4/}
}