@article{01638696,
title = {The third smallest eigenvalue of the Laplacian matrix.},
journal = {ELA. The Electronic Journal of Linear Algebra [electronic only]},
volume = {8},
year = {2001},
pages = {128-127},
zbl = {0978.05048},
language = {en},
url = {http://dml.mathdoc.fr/item/01638696}
}
Pati, Sukanta. The third smallest eigenvalue of the Laplacian matrix.. ELA. The Electronic Journal of Linear Algebra [electronic only], Tome 8 (2001) pp. 128-127. http://gdmltest.u-ga.fr/item/01638696/