Kinkar Ch. Das, Ivan Gutman, Boris Furtula. On the first geometric-arithmetic index of graphs. Discrete Applied Mathematics, 159(17):2030-2037, 2011. [doi]
@article{DasGF11,
title = {On the first geometric-arithmetic index of graphs},
author = {Kinkar Ch. Das and Ivan Gutman and Boris Furtula},
year = {2011},
doi = {10.1016/j.dam.2011.06.020},
url = {http://dx.doi.org/10.1016/j.dam.2011.06.020},
researchr = {https://researchr.org/publication/DasGF11},
cites = {0},
citedby = {0},
journal = {Discrete Applied Mathematics},
volume = {159},
number = {17},
pages = {2030-2037},
}