@ARTICLE{
author={Shao Jia-Yu,Gong Fei,Gutman Ivan},
year={2011},
title={New Approaches for the Real and Complex Integral Formulas of the Energy of a Polynomial},
journal={MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY},
volume={66},
number={3},
pages={849-861},
document_type={Article},
} 

@ARTICLE{
author={Gutman Ivan,Shao Jia-Yu},
year={2011},
title={The energy change of weighted graphs},
journal={LINEAR ALGEBRA AND ITS APPLICATIONS},
volume={435},
number={10},
pages={2425-2431},
document_type={Article},
}