@article{NSJOM_2001_31_2a_6,
     author = {Lj. 

 Pavlovi\'c and I. Gutman},
     title = {Graphs 

 with extremal connectivity},
     journal = {Novi Sad Journal of Mathematics},
     pages = {53-58},
     publisher = {mathdoc},
     volume = {31},
     number = {2},
     year = {2001},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2001_31_2a_6/}
}