%0 Journal Article %A Vencková, Magdalena %T Oscillation of a forced nonlinear differential equation %J Archivum mathematicum %D 1984 %P 59-68 %V 20 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_1984__20_2_a1/ %G en %F ARM_1984__20_2_a1