@article{paperid:1035491,
author = {Tavakoli, Mostafa and Rahbarnia, Freydoon},
title = {Note on properties of First Zagreb Index of Graphs},
journal = {Iranian Journal of Mathematical Chemistry},
year = {2012},
volume = {3},
number = {3},
month = {December},
issn = {2228-6489},
pages = {1--5},
			numpages = {4},
keywords = {Topological indices; The first and second Zagreb indices; Tree; Graph operation; 
Strongly distance balanced graph},
}