@article{DAN_1996_349_4_a11,
     author = {S. V. Guvernyuk},
     title = {Dynamical invariants in problems of the steady flow of an ideal},
     journal = {Doklady Akademii Nauk},
     pages = {478--481},
     publisher = {mathdoc},
     volume = {349},
     number = {4},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1996_349_4_a11/}
}