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@article{ARM_1995__31_4_a7, author = {Morav\v{c}{\'\i}k, Jozef}, title = {Some oscillatory properties of the perturbed linear differential equations of order $n$}, journal = {Archivum mathematicum}, pages = {305--311}, publisher = {mathdoc}, volume = {31}, number = {4}, year = {1995}, mrnumber = {1390590}, zbl = {0849.34014}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_1995__31_4_a7/} }
Moravčík, Jozef. Some oscillatory properties of the perturbed linear differential equations of order $n$. Archivum mathematicum, Tome 31 (1995) no. 4, pp. 305-311. http://geodesic.mathdoc.fr/item/ARM_1995__31_4_a7/