@article{NM_2013_LVIII_1-2_a6,
     author = {Dragoljub Milo\v{s}evi\'c},
     title = {Jedna osobina pravilnog $(3n+1)$-ugla},
     journal = {Nastava matematike},
     pages = {61 },
     publisher = {mathdoc},
     volume = {LVIII},
     number = {1-2},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NM_2013_LVIII_1-2_a6/}
}