@article{VMUMM_2002_3_a8,
     author = {O. E. Maikova},
     title = {A manifold of singular extremals in the problem of the control of a truck with $n$ trailers},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {51--54},
     year = {2002},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2002_3_a8/}
}