Voir la notice de l'article provenant de la source Electronic Library of Mathematics
@article{ELA_2001__8__a1, author = {Pati, Sukanta}, title = {The third smallest eigenvalue of the {Laplacian} matrix}, journal = {The electronic journal of linear algebra}, pages = {128--127}, publisher = {mathdoc}, volume = {8}, year = {2001}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ELA_2001__8__a1/} }
Pati, Sukanta. The third smallest eigenvalue of the Laplacian matrix. The electronic journal of linear algebra, Tome 8 (2001), pp. 128-127. http://geodesic.mathdoc.fr/item/ELA_2001__8__a1/