@ARTICLE{
author={Yurtas Aysun,Togan Muge,Lokesha Veerebradiah,Cangul Ismail Naci,Gutman Ivan},
year={2019},
title={Inverse problem for Zagreb indices},
journal={JOURNAL OF MATHEMATICAL CHEMISTRY},
volume={57},
number={2},
pages={609-615},
document_type={Article},
} 

@ARTICLE{
author={Gutman Ivan,Togan Muge,Yurttas Aysun,Cevik Ahmet Sinan,Cangul Ismail Naci},
year={2018},
title={Inverse Problem for Sigma Index},
journal={MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY},
volume={79},
number={2},
pages={491-508},
document_type={Article},
}