@article{DAN_1991_320_4_a18,
     author = {V. E. Shemarulin},
     title = {The basis of contact conservation laws in one-dimensional gas},
     journal = {Doklady Akademii Nauk},
     pages = {851--855},
     publisher = {mathdoc},
     volume = {320},
     number = {4},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_320_4_a18/}
}