TY - JOUR AU - G. A. Arutyunyan TI - Bilinear expansion for radiation frequency redistribution functions JO - Doklady Akademii Nauk PY - 1991 SP - 285 EP - 289 VL - 321 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1991_321_2_a11/ LA - ru ID - DAN_1991_321_2_a11 ER -