%0 Journal Article %A Džurina, Jozef %T Oscillation of a second order delay differential equations %J Archivum mathematicum %D 1997 %P 309-314 %V 33 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_1997__33_4_a4/ %G en %F ARM_1997__33_4_a4