TY - JOUR AU - V. I. Berdyshev TI - The motion of an observer over a cone in $\mathbb{R}^3$ under counteraction from an object JO - Trudy Instituta matematiki i mehaniki PY - 2023 SP - 49 EP - 54 VL - 29 IS - 4 UR - http://geodesic.mathdoc.fr/item/TIMM_2023_29_4_a3/ LA - ru ID - TIMM_2023_29_4_a3 ER -