@article{DE_1988_24_2_a18,
     author = {N. A. Bodunov and F. F. Kotchenko},
     title = {Dependence of the stability of linear periodic systems on the period},
     journal = {Differencialʹnye uravneni\^a},
     pages = {338--341},
     publisher = {mathdoc},
     volume = {24},
     number = {2},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1988_24_2_a18/}
}