@article{MV_1953_5_1-2_a4,
     author = {S. \'Cetkovi\'c},
     title = {O realnim nulama izvoda jedne klase funkcija},
     journal = {Matemati\v{c}ki vesnik},
     pages = {47 },
     publisher = {mathdoc},
     volume = {5},
     number = {1-2},
     year = {1953},
     url = {http://geodesic.mathdoc.fr/item/MV_1953_5_1-2_a4/}
}