@article{ZR_1953_Knj_3_1_a1,
     author = {Mihailo Petrovi\'c},
     title = {Sur {Les} {In\'egalit\'es} {St\'er\'eometriques}},
     journal = {Zbornik radova},
     pages = {1 - 4},
     publisher = {mathdoc},
     volume = {Knj. 3},
     number = {1},
     year = {1953},
     url = {http://geodesic.mathdoc.fr/item/ZR_1953_Knj_3_1_a1/}
}