@article{ZVMMF_2008_48_11_a3,
     author = {Ya. O. Grudo and A. I. Kalinin},
     title = {Asymptotic method for solving the time-optimal control problem for a~nonlinear singularly perturbed system},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1942--1951},
     year = {2008},
     volume = {48},
     number = {11},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2008_48_11_a3/}
}