%0 Journal Article %A Staněk, Svatoslav %T Asymptotic properties of derivatives of central dispersions of the $k$-th kind for the differential equation $y''=q(t)y$ %J Czechoslovak Mathematical Journal %D 1977 %P 644-662 %V 27 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1977.101502/ %R 10.21136/CMJ.1977.101502 %G en %F 10_21136_CMJ_1977_101502