@article{10_2298_PIM0693013B,
     author = {Borov\'canin, Bojana and Petrovi\'c, Miroslav},
     title = {On the index of cactuses with  vertices.},
     journal = {Publications de l 'Institut Math\'ematique. Nouvelle S\'erie},
     pages = {13},
     publisher = {mathdoc},
     volume = {79(93)},
     year = {2006},
     doi = {10.2298/PIM0693013B},
     zbl = {1121.05070},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.2298/PIM0693013B/}
}