@article{ZVMMF_2015_55_7_a9,
     author = {V. V. Shumilova},
     title = {Reflection of a plane sound wave from the boundary of a heterogeneous medium consisting of elastic and viscoelastic layers},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1208--1220},
     publisher = {mathdoc},
     volume = {55},
     number = {7},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2015_55_7_a9/}
}