@article{AUM_2017_71_2_a1,
     author = {Bielak, Halina and Broniszewska, Katarzyna},
     title = {Eccentric distance sum index for some classes of connected graphs},
     journal = {Annales Universitatis Mariae Curie-Sk{\l}odowska. Mathematica },
     publisher = {mathdoc},
     volume = {71},
     number = {2},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUM_2017_71_2_a1/}
}