TY - JOUR AU - A. A. Uspenskii AU - P. D. Lebedev TI - On the structure of the singular set of solutions in one class of 3D time-optimal control problems JO - Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki PY - 2021 SP - 471 EP - 486 VL - 31 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VUU_2021_31_3_a8/ LA - ru ID - VUU_2021_31_3_a8 ER -