@article{NM_1993_XXXVIII_3-4_a8,
     author = {Vesna Bal},
     title = {Funkcija},
     journal = {Nastava matematike},
     pages = {49 },
     publisher = {mathdoc},
     volume = {XXXVIII},
     number = {3-4},
     year = {1993},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NM_1993_XXXVIII_3-4_a8/}
}