TY - JOUR AU - N. N. Shilov AU - A. A. Duchkov TI - Migration velocity analysis using a ray method asymptotics of the double square root equation JO - Sibirskij žurnal industrialʹnoj matematiki PY - 2024 SP - 108 EP - 127 VL - 27 IS - 1 UR - http://geodesic.mathdoc.fr/item/SJIM_2024_27_1_a7/ LA - ru ID - SJIM_2024_27_1_a7 ER -