%0 Journal Article %A S. É. Lapin %T Recurrence of trajectories of systems of linear differential equations with conditionally periodic coefficients %J Matematičeskie zametki %D 1993 %P 52-56 %V 54 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1993_54_1_a3/ %G ru %F MZM_1993_54_1_a3