TY - JOUR AU - A. V. Goncharsky AU - S. Y. Romanov AU - S. Yu. Seryozhnikov TI - The problem of choosing initial approximations in inverse problems of ultrasound tomography JO - Numerical methods and programming PY - 2017 SP - 312 EP - 321 VL - 18 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMP_2017_18_3_a10/ LA - ru ID - VMP_2017_18_3_a10 ER -