%0 Journal Article %A Došlý, Ondřej %A Komenda, Jan %T Conjugacy criteria and principal solutions of self-adjoint differential equations %J Archivum mathematicum %D 1995 %P 217-238 %V 31 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_1995__31_3_a5/ %G en %F ARM_1995__31_3_a5