1. Spectra of Graphs. Theory and Application;Cvetković,1980
2. Analytic Combinatorics;Flajolet,2009
3. Matrix Theory, vol. II;Gantmacher,1960
4. What is … Lehmer's number?;Hironaka;Notices Amer. Math. Soc.,2009
5. Category equivalences involving graded modules over weighted path algebras and monomial algebras;Holdaway;J. Algebra,2012