TY - JOUR AU - V. V. Sobolev TI - Diffusion of radiation in a medium of high optical thickness where scattering is non-isotropic JO - Doklady Akademii Nauk PY - 1968 SP - 41 EP - 44 VL - 179 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1968_179_1_a9/ LA - ru ID - DAN_1968_179_1_a9 ER -