Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts
@article{KJM_2010_34_a13, author = {Muhuo Liu}, title = {On the {Laplacian} spread of trees and unicyclic graphs}, journal = {Kragujevac Journal of Mathematics}, pages = {151 }, publisher = {mathdoc}, volume = {34}, year = {2010}, language = {en}, url = {http://geodesic.mathdoc.fr/item/KJM_2010_34_a13/} }
Muhuo Liu. On the Laplacian spread of trees and unicyclic graphs. Kragujevac Journal of Mathematics, Tome 34 (2010), p. 151 . http://geodesic.mathdoc.fr/item/KJM_2010_34_a13/