@article{VUU_2006_1_a10,
     author = {L. V. Spesivtsev and V. N. Ushakov},
     title = {On the problem of computing of a control that leads a motion of a controlled system to a neighborhood of a given point on a reachable set},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {111--126},
     publisher = {mathdoc},
     number = {1},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2006_1_a10/}
}