@article{ZVMMF_1971_11_2_a3,
     author = {F. P. Vasil'ev and R. P. Ivanov},
     title = {On approximate solution of the time-optimal problem in {Banach} spaces with constraints on the phase coordinates},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {328--347},
     publisher = {mathdoc},
     volume = {11},
     number = {2},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1971_11_2_a3/}
}