TY - JOUR AU - V. M. Byrdin TI - Damping of normal and surface waves and the dependence of their phase and group velocities on losses in the medium JO - Doklady Akademii Nauk PY - 1978 SP - 552 EP - 554 VL - 238 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1978_238_3_a11/ LA - ru ID - DAN_1978_238_3_a11 ER -