@misc{NM_2018_LXIII_3-4_a7,
     title = {Obave\v{s}tenja},
     journal = {Nastava matematike},
     pages = {109 },
     publisher = {mathdoc},
     volume = {LXIII},
     number = {3-4},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NM_2018_LXIII_3-4_a7/}
}