@ARTICLE{
author={Li Xueliang,So Wasin,Gutman Ivan},
year={2018},
title={Constructions of Graphs and Trees with Partially Prescribed Spectrum},
journal={MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY},
volume={80},
number={2},
pages={415-421},
document_type={Article},
} 

@ARTICLE{
author={So Wasin,Robbiano Maria,Maia de Abreu Nair Maria,Gutman Ivan},
year={2010},
title={Applications of a theorem by Ky Fan in the theory of graph energy},
journal={LINEAR ALGEBRA AND ITS APPLICATIONS},
volume={432},
number={9},
pages={2163-2169},
document_type={Proceedings Paper},
}