@article{TIMM_2021_27_3_a9,
     author = {P. D. Lebedev and A. A. Uspenskii},
     title = {On the analytical construction of solutions for one class of time-optimal control problems with nonconvex target set},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {128--140},
     publisher = {mathdoc},
     volume = {27},
     number = {3},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2021_27_3_a9/}
}