TY - JOUR AU - N. F. Shul'ga TI - Emission of radiation under condition of multi-valuedness of the deflection function JO - Doklady Akademii Nauk PY - 1990 SP - 348 EP - 350 VL - 310 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1990_310_2_a21/ LA - ru ID - DAN_1990_310_2_a21 ER -