%0 Journal Article %A L. N. Gaishun %T Periodic solutions of linear completely integrable systems %J Differencialʹnye uravneniâ %D 1978 %P 905-907 %V 14 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1978_14_5_a14/ %G ru %F DE_1978_14_5_a14