%0 Journal Article %A Yu. Ya. Isaenko %T On linear periodic systems on a plane having a matriciant of the required form %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2003 %P 22-27 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2003_9_a4/ %G ru %F IVM_2003_9_a4