@article{NM_2023_LXVIII_1-2_a6,
     author = {Bojana Apeli\'c},
     title = {Pravougli koordinatni sistem},
     journal = {Nastava matematike},
     pages = {43 },
     publisher = {mathdoc},
     volume = {LXVIII},
     number = {1-2},
     year = {2023},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NM_2023_LXVIII_1-2_a6/}
}