TY - JOUR AU - È. G. Ianovitskii TI - A radiation field in a semi-infinite atmosphere under isotropic scattering JO - Doklady Akademii Nauk PY - 1976 SP - 1319 EP - 1322 VL - 227 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1976_227_6_a10/ LA - ru ID - DAN_1976_227_6_a10 ER -