TY - JOUR AU - V. I. Gryn' TI - Exact solutions to a steady-state radiation-transfer equation in one-dimensional planar and spherical geometries JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1997 SP - 841 EP - 861 VL - 37 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1997_37_7_a6/ LA - ru ID - ZVMMF_1997_37_7_a6 ER -