@ARTICLE{
author={Gutman Ivan,Soldatovic Tanja V,Graovac Ante,Vukovic Slavko},
year={2001},
title={Approximating the total pi-electron energy by means of spectral moments},
journal={CHEMICAL PHYSICS LETTERS},
volume={334},
number={1-3},
pages={168-172},
document_type={Article},
}