TY - JOUR AU - Yu. A. Burmakov AU - L. P. Vinnik AU - A. V. Treusov TI - Construction of a 3-d model of a medium according to the observations of refracted body waves JO - Doklady Akademii Nauk PY - 1983 SP - 320 EP - 323 VL - 269 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1983_269_2_a15/ LA - ru ID - DAN_1983_269_2_a15 ER -