@article{NM_2010_LV_3-4_a3,
     author = {Milenko Pikula and Milan \v{Z}ivanovi\'c},
     title = {Pitagorini tetraedri},
     journal = {Nastava matematike},
     pages = {13 },
     publisher = {mathdoc},
     volume = {LV},
     number = {3-4},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NM_2010_LV_3-4_a3/}
}