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@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/} }
Oláh, Rudolf. Integral conditions of oscillation of a linear differential equation. Mathematica slovaca, Tome 39 (1989) no. 3, pp. 323-329. http://geodesic.mathdoc.fr/item/MASLO_1989__39_3_a11/