@article{IIGUM_2015_14_a4,
     author = {R. Gabasov and F. M. Kirillova},
     title = {On the optimal synthesis problem for control systems},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {55--63},
     year = {2015},
     volume = {14},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2015_14_a4/}
}