@article{VM_2004_6_2_a1,
     author = {Raghu R. Gompa and Vijaya L. Gompa},
     title = {Estimating mathematical information on {Graphs:} {A} {Scientific} {Approach}},
     journal = {Visual Mathematics},
     publisher = {mathdoc},
     volume = {6},
     number = {2},
     year = {2004},
     url = {http://geodesic.mathdoc.fr/item/VM_2004_6_2_a1/}
}