@article{DE_2005_41_4_a1,
     author = {A. G. Ivanov},
     title = {Optimal {Control} of {Almost} {Periodic} {Motions} {Under} {Constraints:} {II}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {441--454},
     publisher = {mathdoc},
     volume = {41},
     number = {4},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2005_41_4_a1/}
}