@article{DE_2005_41_3_a3,
     author = {A. G. Ivanov},
     title = {Optimal {Control} of {Almost} {Periodic} {Motions} {Under} {Constraints:} {I}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {312--324},
     publisher = {mathdoc},
     volume = {41},
     number = {3},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2005_41_3_a3/}
}