%0 Journal Article %A Staněk, Svatoslav %T On the structure of the second-order periodic linear differential equations with the same characteristic multipliers %J Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica %D 1978 %P 53-60 %V 17 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AUPO_1978__17_1_a5/ %G en %F AUPO_1978__17_1_a5