@ARTICLE{
author={Brankov Vladimir,Hansen P,Stevanovic Dragan P},
year={2006},
title={Automated conjectures on upper bounds for the largest Laplacian eigenvalue of graphs},
journal={LINEAR ALGEBRA AND ITS APPLICATIONS},
volume={414},
number={2-3},
pages={407-424},
document_type={Article},
} 

@ARTICLE{
author={Brankov Vladimir,Stevanovic Dragan P,Gutman Ivan},
year={2004},
title={Equienergetic chemical trees},
journal={JOURNAL OF THE SERBIAN CHEMICAL SOCIETY},
volume={69},
number={7},
pages={549-553},
document_type={Article},
}