@ARTICLE{
author={Gutman Ivan,Furtula Boris,Chen Xiaodan,Qian Jianguo},
year={2015},
title={Resolvent Estrada Index - Computational and Mathematical Studies},
journal={MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY},
volume={74},
number={2},
pages={431-440},
document_type={Article},
} 

@ARTICLE{
author={Gutman Ivan,Furtula Boris,Chen Xiaodan,Qian Jianguo},
year={2015},
title={Graphs with Smallest Resolvent Estrada Indices},
journal={MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY},
volume={73},
number={1},
pages={267-270},
document_type={Article},
}