@article{MASLO_1980_30_2_a7,
     author = {Kostyrko, Pavel},
     title = {Some properties of oscillation},
     journal = {Mathematica slovaca},
     pages = {157--162},
     year = {1980},
     volume = {30},
     number = {2},
     mrnumber = {587241},
     zbl = {0441.54004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1980_30_2_a7/}
}