%0 Journal Article %A E. V. Musafirov %T On simple linear differential systems with an even matrix %J Trudy Instituta matematiki %D 2010 %P 93-98 %V 18 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMB_2010_18_2_a8/ %G ru %F TIMB_2010_18_2_a8