M. J. Nadjafi-Arani, G. H. Fath-Tabar, A. R. Ashrafi. Extremal graphs with respect to the vertex PI index. Appl. Math. Lett., 22(12):1838-1840, 2009. [doi]
@article{Nadjafi-AraniFA09, title = {Extremal graphs with respect to the vertex PI index}, author = {M. J. Nadjafi-Arani and G. H. Fath-Tabar and A. R. Ashrafi}, year = {2009}, doi = {10.1016/j.aml.2009.07.005}, url = {http://dx.doi.org/10.1016/j.aml.2009.07.005}, tags = {graph-rewriting, rewriting}, researchr = {https://researchr.org/publication/Nadjafi-AraniFA09}, cites = {0}, citedby = {0}, journal = {Appl. Math. Lett.}, volume = {22}, number = {12}, pages = {1838-1840}, }