@article{DMGT_2008_28_2_a1,
     author = {Balakrishnan, Rangaswami and Raj, S.},
     title = {The {Wiener} number of {Kneser} graphs},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {219--228},
     publisher = {mathdoc},
     volume = {28},
     number = {2},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2008_28_2_a1/}
}