@article{MASLO_1989__39_3_a11,
     author = {Ol\'ah, Rudolf},
     title = {Integral conditions of oscillation of a linear differential equation},
     journal = {Mathematica slovaca},
     pages = {323--329},
     publisher = {mathdoc},
     volume = {39},
     number = {3},
     year = {1989},
     mrnumber = {1016349},
     zbl = {0685.34029},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1989__39_3_a11/}
}