@article{NM_1998_XLIII_3_a8,
     author = {Gordana \'Cetkovi\'c},
     title = {Jedna zanimljiv zadatak iz verovatno\'ce},
     journal = {Nastava matematike},
     pages = {40 },
     publisher = {mathdoc},
     volume = {XLIII},
     number = {3},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NM_1998_XLIII_3_a8/}
}