TY - JOUR AU - V. G. Nazarov TI - Problem of partial identification of unknown medium JO - Dalʹnevostočnyj matematičeskij žurnal PY - 2019 SP - 43 EP - 62 VL - 19 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DVMG_2019_19_1_a6/ LA - ru ID - DVMG_2019_19_1_a6 ER -