%0 Journal Article %A Šoltés, Vincent %T Oscillatory properties of solutions of a fourth-order nonlinear differential equation %J Mathematica slovaca %D 1979 %P 73-82 %V 29 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1979__29_1_a9/ %G en %F MASLO_1979__29_1_a9