%0 Journal Article %A G. V. Demidenko %T Systems of differential equations with periodic coefficients %J Sibirskij žurnal industrialʹnoj matematiki %D 2013 %P 38-46 %V 16 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJIM_2013_16_4_a3/ %G ru %F SJIM_2013_16_4_a3