@article{DAN_1986_291_3_a9, author = {Yu. M. Sukhov and A. G. Shukhov}, title = {Hydrodynamic approximation for groups of linear canonical}, journal = {Doklady Akademii Nauk}, pages = {556--559}, year = {1986}, volume = {291}, number = {3}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1986_291_3_a9/} }