%0 Journal Article %A Staněk, Svatoslav %T On the Floquet theory of differential equations $y''=Q(t)y$ with a complex coefficient of the real variable %J Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica %D 1988 %P 149-183 %V 27 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AUPO_1988__27_1_a9/ %G en %F AUPO_1988__27_1_a9