%0 Journal Article %A Butler, G. %A Macki, J. W. %T Oscillation and Comparison Theorems for Second Order Linear Differential Equations with Integrable Coefficients %J Canadian journal of mathematics %D 1974 %P 294-301 %V 26 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1974-031-8/ %R 10.4153/CJM-1974-031-8 %F 10_4153_CJM_1974_031_8