@article{TRSPY_2015_291_a20,
     author = {V. N. Ushakov and V. I. Ukhobotov and A. V. Ushakov and G. V. Parshikov},
     title = {On solving approach problems for control systems},
     journal = {Informatics and Automation},
     pages = {276--291},
     publisher = {mathdoc},
     volume = {291},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2015_291_a20/}
}