@article{NSJOM_2007_37_2a_1,
     author = {R. Witula and D. Slota},
     title = {A remark on growth relation},
     journal = {Novi Sad Journal of Mathematics},
     pages = {11-12},
     publisher = {mathdoc},
     volume = {37},
     number = {2},
     year = {2007},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2007_37_2a_1/}
}