%0 Journal Article
%A Krbiľa, Jaroslav
%T A note on the definiteness of the differential equations $y'' = q(t)y$
%J Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
%D 1972
%P 19-22
%V 12
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AUPO_1972__12_1_a2/
%G en
%F AUPO_1972__12_1_a2