%0 Journal Article %A Staněk, Svatoslav %T On limit properties of phases and of central dispersions in the oscillatory equation $y'' = q(t) y$ with a periodic coefficient %J Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica %D 1981 %P 85-92 %V 20 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AUPO_1981__20_1_a9/ %G en %F AUPO_1981__20_1_a9