@article{KJM_2009_32_a9,
     author = {Liu Mu-huo and Xuezhong Tan},
     title = {The first to $(k+1)$-th smallest {Wiener} {(hyper-Wiener)} indices of connected graphs},
     journal = {Kragujevac Journal of Mathematics},
     pages = {109 },
     publisher = {mathdoc},
     volume = {32},
     year = {2009},
     zbl = {1199.05091},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2009_32_a9/}
}