@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/}
}