@article{MASLO_1995__45_4_a0,
     author = {Gutman, Ivan and Yeh, Yeong-Nan},
     title = {The sum of all distances in bipartite graphs},
     journal = {Mathematica slovaca},
     pages = {327--334},
     publisher = {mathdoc},
     volume = {45},
     number = {4},
     year = {1995},
     mrnumber = {1387048},
     zbl = {0853.05032},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1995__45_4_a0/}
}