@article{05005207, title = {A relative Laplacian spectral recursion.}, journal = {The Electronic Journal of Combinatorics [electronic only]}, volume = {13}, year = {2006}, zbl = {1085.15008}, language = {en}, url = {http://dml.mathdoc.fr/item/05005207} }
Duval, Art M. A relative Laplacian spectral recursion.. The Electronic Journal of Combinatorics [electronic only], Tome 13 (2006) . http://gdmltest.u-ga.fr/item/05005207/