@article{DE_2001_37_2_a6,
     author = {A. G. Ivanov},
     title = {The {Existence} of an {Almost} {Periodic} {Solution} of a {Linear} {System} with a {Quadratic} {Performance} {Functional}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {202--211},
     publisher = {mathdoc},
     volume = {37},
     number = {2},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2001_37_2_a6/}
}