@article{DMGT_2004_24_2_a4,
     author = {Zhou, Bo},
     title = {Bounds for index of a modified graph},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {213--221},
     publisher = {mathdoc},
     volume = {24},
     number = {2},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2004_24_2_a4/}
}