@article{DE_2003_39_2_a7,
     author = {E. K. Makarov and S. N. Popova},
     title = {Sufficient {Conditions} for the {Local} {Proportional} {Controllability} of {Lyapunov} {Exponents} of {Linear} {Systems}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {217--226},
     publisher = {mathdoc},
     volume = {39},
     number = {2},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2003_39_2_a7/}
}