%0 Journal Article %A Staněk, Svatoslav %T A note on the oscillation of solutions of the differential equation $y''=\lambda q(t)y$ with a periodic coefficient %J Czechoslovak Mathematical Journal %D 1979 %P 318-323 %V 29 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1979.101608/ %R 10.21136/CMJ.1979.101608 %G en %F 10_21136_CMJ_1979_101608