Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
Dragoš Cvetković and Peter Rowlinson and Slobodan Simić,An Introduction to the Theory of Graph Spectra,,,Cambridge University Press,2009-10-15,,,,https://cir.nii.ac.jp/crid/1360011144034974464,https://doi.org/10.1017/cbo9780511801518