Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Bıyıkoğlu, Türker and Leydold, Josef and Stadler, Peter F.",Laplacian eigenvectors of graphs : Perron-Frobenius and Faber-Krahn type theorems,,Springer,2007,Lecture notes in mathematics,,9783540735090,,https://cir.nii.ac.jp/crid/1130282272561744128