@article{NM_2005_L_1-2_a5,
     author = {Milan \v{Z}ivanovi\'c},
     title = {Invarijantna preslikavanja pitagorinih trojki},
     journal = {Nastava matematike},
     pages = {41 },
     publisher = {mathdoc},
     volume = {L},
     number = {1-2},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NM_2005_L_1-2_a5/}
}