@article{MV_1953_5_3-4_a2,
     author = {{\DJ}. Kurepa},
     title = {Jedan teorem o ure{\dj}enim skupovima},
     journal = {Matemati\v{c}ki vesnik},
     pages = {20 },
     publisher = {mathdoc},
     volume = {5},
     number = {3-4},
     year = {1953},
     url = {http://geodesic.mathdoc.fr/item/MV_1953_5_3-4_a2/}
}