@ARTICLE{
author={Gutman Ivan,Martins Enide Andrade,Robbiano Maria,San Martin Bernardo},
year={2014},
title={Ky Fan theorem applied to Randle energy},
journal={LINEAR ALGEBRA AND ITS APPLICATIONS},
volume={459},
number={},
pages={23-42},
document_type={Article},
} 

@ARTICLE{
author={Gomes Helena,Gutman Ivan,Martins Enide Andrade,Robbiano Maria,San Martin Bernardo},
year={2014},
title={On Randic Spread},
journal={MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY},
volume={72},
number={1},
pages={249-266},
document_type={Article},
} 

@ARTICLE{
author={Cardoso Domingos M,Gutman Ivan,Martins Enide Andrade,Robbiano Maria},
year={2011},
title={A generalization of Fiedler's lemma and some applications},
journal={LINEAR & MULTILINEAR ALGEBRA},
volume={59},
number={8},
pages={929-942},
document_type={Article},
} 

@ARTICLE{
author={Abreu Nair,Cardoso Domingos M,Gutman Ivan,Martins Enide Andrade,Robbiano Maria},
year={2011},
title={Bounds for the signless Laplacian energy},
journal={LINEAR ALGEBRA AND ITS APPLICATIONS},
volume={435},
number={10},
pages={2365-2374},
document_type={Article},
} 

@ARTICLE{
author={Gutman Ivan,Robbiano Maria,Martins Enide Andrade,Cardoso Domingos M,Medina Luis,Rojo Oscar},
year={2010},
title={Energy of line graphs},
journal={LINEAR ALGEBRA AND ITS APPLICATIONS},
volume={433},
number={7},
pages={1312-1323},
document_type={Article},
} 

@ARTICLE{
author={Robbiano Maria,Martins Enide Andrade,Gutman Ivan},
year={2010},
title={Extending a Theorem by Fiedler and Applications to Graph Energy},
journal={MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY},
volume={64},
number={1},
pages={145-156},
document_type={Article},
}