Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1990_48_3_a22, author = {V. E. Shemarulin}, title = {Contact symmetries and conservation laws of some equations in gas dynamics}, journal = {Matemati\v{c}eskie zametki}, pages = {154--156}, publisher = {mathdoc}, volume = {48}, number = {3}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1990_48_3_a22/} }
V. E. Shemarulin. Contact symmetries and conservation laws of some equations in gas dynamics. Matematičeskie zametki, Tome 48 (1990) no. 3, pp. 154-156. http://geodesic.mathdoc.fr/item/MZM_1990_48_3_a22/