@article{DE_1966_2_12_a10,
     author = {O. S. Ivan'kovskaya},
     title = {Certain properties of solutions of linear differential equations with bounded coefficients},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1655--1663},
     publisher = {mathdoc},
     volume = {2},
     number = {12},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1966_2_12_a10/}
}