%0 Journal Article %A Škerlík, Anton %T An integral condition of oscillation for equation $y'''+p(t)y'+q(t)y=0$ with nonnegative coefficients %J Archivum mathematicum %D 1995 %P 155-161 %V 31 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_1995__31_2_a6/ %G en %F ARM_1995__31_2_a6