@article{NM_1993_XXXVIII_2_a3,
     author = {Vojislav Petrovi\'c},
     title = {Ptolomejeva teorema i neke njene primene},
     journal = {Nastava matematike},
     pages = {23 },
     publisher = {mathdoc},
     volume = {XXXVIII},
     number = {2},
     year = {1993},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NM_1993_XXXVIII_2_a3/}
}