%0 Journal Article %A Fialka, Miloslav %T On the position of nodes of associated equations to the differential equation $y'-q(t)y=r(t)$ %J Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica %D 1991 %P 107-119 %V 30 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AUPO_1991__30_1_a9/ %G en %F AUPO_1991__30_1_a9