@article{ZR_1960_Knj_8_1_a9,
     author = {Branislav Marti\'c},
     title = {Remarque {Sur} {Une} {Inegalit\'e} {St\'er\'eometrique} de {M.} {Petrovitch}},
     journal = {Zbornik radova},
     pages = {131 - 132},
     publisher = {mathdoc},
     volume = {Knj. 8},
     number = {1},
     year = {1960},
     url = {https://geodesic-test.mathdoc.fr/item/ZR_1960_Knj_8_1_a9/}
}