%0 Journal Article %A D. N. Cheban %T Periodic and quasiperiodic solutions of linear differential equations %J Differencialʹnye uravneniâ %D 1984 %P 1455-1456 %V 20 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1984_20_8_a30/ %G ru %F DE_1984_20_8_a30