@article{DAN_1970_192_1_a11,
     author = {B. L. Gavrilin and M. M. Zaslavskii},
     title = {Lagrangian invariants in the dynamics of nonviscous compressible fluids},
     journal = {Doklady Akademii Nauk},
     pages = {48--51},
     publisher = {mathdoc},
     volume = {192},
     number = {1},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_192_1_a11/}
}