TY - JOUR AU - V. V. Sobolev TI - Diffuse irradiation in a medium with mirror reflecting boundaries JO - Doklady Akademii Nauk PY - 1961 SP - 571 EP - 574 VL - 136 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1961_136_3_a14/ LA - ru ID - DAN_1961_136_3_a14 ER -