@article{GDZPPN00253567X,
title = {On special structure of graphs having the maximal eigenvalue greater than two.},
journal = {Publications de l'Institut Math\'ematique [Elektronische Ressource]},
volume = {31},
year = {1974},
pages = {39-46},
zbl = {0307.05132},
url = {http://dml.mathdoc.fr/item/GDZPPN00253567X}
}
Cvetkovic, D.M.; Gutman, I. On special structure of graphs having the maximal eigenvalue greater than two.. Publications de l'Institut Mathématique [Elektronische Ressource], Tome 31 (1974) pp. 39-46. http://gdmltest.u-ga.fr/item/GDZPPN00253567X/