TY - JOUR AU - P. D. Lebedev AU - A. A. Uspenskii TI - On smoothness conditions and selection of the edge of a scattering surface in one class of 3D time-optimal problems JO - Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta PY - 2024 SP - 37 EP - 48 VL - 63 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IIMI_2024_63_a2/ LA - ru ID - IIMI_2024_63_a2 ER -