@article{BASS_2006_31_1_a0,
     author = {I. Gutman and S. Zhang},
     title = {Graph connectivity and {Wiener} index},
     journal = {Bulletin de l'Acad\'emie serbe des sciences. Classe des sciences math\'ematiques et naturelles},
     pages = {1 - 5},
     publisher = {mathdoc},
     volume = {31},
     number = {1},
     year = {2006},
     zbl = {1150.05327},
     url = {http://geodesic.mathdoc.fr/item/BASS_2006_31_1_a0/}
}