TY - JOUR AU - V. V. Shumilova TI - Reflection of a plane sound wave from the boundary of a heterogeneous medium consisting of elastic and viscoelastic layers JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 2015 SP - 1208 EP - 1220 VL - 55 IS - 7 UR - http://geodesic.mathdoc.fr/item/ZVMMF_2015_55_7_a9/ LA - ru ID - ZVMMF_2015_55_7_a9 ER -