@ARTICLE{
author={Akbari Saieed,Ghodrati Amir Hossein,Gutman Ivan,Hosseinzadeh Mohammad Ali,Konstantinova Elena V},
year={2019},
title={On Path Energy of Graphs},
journal={MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY},
volume={81},
number={2},
pages={465-470},
document_type={Article},
} 

@ARTICLE{
author={Gutman Ivan,Konstantinova Elena V,Skorobogatov VA},
year={1999},
title={Molecular hypergraphs and Clar structural formulas of benzenoid hydrocarbons},
journal={ACH-MODELS IN CHEMISTRY},
volume={136},
number={5-6},
pages={539-548},
document_type={Article},
}