Zahra Yarahmadi, A. R. Ashrafi, I. Gutman. First and second extremal bipartite graphs with respect to PI index. Mathematical and Computer Modelling, 54(9-10):2460-2463, 2011. [doi]
@article{YarahmadiAG11,
title = {First and second extremal bipartite graphs with respect to PI index},
author = {Zahra Yarahmadi and A. R. Ashrafi and I. Gutman},
year = {2011},
doi = {10.1016/j.mcm.2011.06.001},
url = {http://dx.doi.org/10.1016/j.mcm.2011.06.001},
tags = {graph-rewriting, rewriting},
researchr = {https://researchr.org/publication/YarahmadiAG11},
cites = {0},
citedby = {0},
journal = {Mathematical and Computer Modelling},
volume = {54},
number = {9-10},
pages = {2460-2463},
}