TY - JOUR AU - L. I. Slepyan AU - V. M. Fadeev TI - Reflection, refraction and radiation of waves in a piecewise JO - Doklady Akademii Nauk PY - 1988 SP - 325 EP - 329 VL - 299 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1988_299_2_a15/ LA - ru ID - DAN_1988_299_2_a15 ER -