%0 Journal Article
%A Pavlíková, Elena
%T Higher monotonicity properties of  $i$-th derivatives of solutions of  $y'' + a(x) y' + b(x) y = 0$
%J Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
%D 1982
%P 69-78
%V 21
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AUPO_1982__21_1_a6/
%G en
%F AUPO_1982__21_1_a6