@article{DE_2006_42_11_a0,
     author = {A. V. Arutyunov},
     title = {Controllability of nonlinear systems with constrained controls},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1443--1451},
     publisher = {mathdoc},
     volume = {42},
     number = {11},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2006_42_11_a0/}
}