TY - JOUR AU - N. N. Subbotina AU - E. A. Krupennikov TI - The method of characteristics in an identification problem JO - Trudy Instituta matematiki i mehaniki PY - 2016 SP - 255 EP - 266 VL - 22 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2016_22_2_a27/ LA - ru ID - TIMM_2016_22_2_a27 ER -