@article{DE_2005_41_4_a5,
     author = {S. I. Morina},
     title = {On an {Extension} of a {Linear} {Control} {Problem} with {Phase} {Constraints}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {490--499},
     publisher = {mathdoc},
     volume = {41},
     number = {4},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2005_41_4_a5/}
}