@article{TIMM_1996_4_a19,
     author = {E. N. Khailov},
     title = {On the switching times of extremal controls in a~linear time-optimality problem},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {255--265},
     publisher = {mathdoc},
     volume = {4},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_1996_4_a19/}
}