TY - JOUR AU - V. I. Gryn' TI - Inverse three-dimensional problems of radiation transport theory close to two-dimensional plane and cylindrical problems JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1989 SP - 1480 EP - 1491 VL - 29 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1989_29_10_a3/ LA - ru ID - ZVMMF_1989_29_10_a3 ER -