@article{DAN_1986_290_3_a20,
     author = {S. M. Ponomarev},
     title = {Plane waves in media with bulk viscosity and hyperbolic systems of},
     journal = {Doklady Akademii Nauk},
     pages = {599--604},
     publisher = {mathdoc},
     volume = {290},
     number = {3},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_290_3_a20/}
}