@article{NM_2009_LIV_2-3_a7,
     author = {Zoran Kadelburg and Branislav Popovi\'c},
     title = {26. {Balkanska} matemati\v{c}ka olimpijada},
     journal = {Nastava matematike},
     pages = {48 },
     publisher = {mathdoc},
     volume = {LIV},
     number = {2-3},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NM_2009_LIV_2-3_a7/}
}