%0 Journal Article %A Došlý, Ondřej %A Osička, Jan %T Oscillation and nonoscillation of higher order self-adjoint differential equations %J Czechoslovak Mathematical Journal %D 2002 %P 833-849 %V 52 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2002__52_4_a14/ %G en %F CMJ_2002__52_4_a14