%0 Journal Article %A BartuĊĦek, Miroslav %T On zeros of solutions of the differential equation $y''+f(t,y)g(y')=0$ %J Archivum mathematicum %D 1979 %P 129-132 %V 15 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_1979__15_3_a0/ %G en %F ARM_1979__15_3_a0