Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
MR ZblVetchý, Vladimír. Estimation of the index of $G^2$. Archivum mathematicum, Tome 24 (1988) no. 3, pp. 123-136. http://geodesic.mathdoc.fr/item/ARM_1988_24_3_a2/
@article{ARM_1988_24_3_a2,
author = {Vetch\'y, Vladim{\'\i}r},
title = {Estimation of the index of $G^2$},
journal = {Archivum mathematicum},
pages = {123--136},
year = {1988},
volume = {24},
number = {3},
mrnumber = {983230},
zbl = {0665.05030},
language = {en},
url = {http://geodesic.mathdoc.fr/item/ARM_1988_24_3_a2/}
}
[1] L. Collatz U. Sinogowitz: Spektren endliche Graphen. Abh. Math. Sem. Univ. Hamburg 21 (1957), 63-77. | MR
[2] M. Fiedler: Speciální matice a jejich použití v numerické matematice. SNTL, Praha, 1981. | Zbl
[4] F. R. Gantmacher. : Theory of Matrices II. Chelsea, New York, 1960, p. 69.
[3] A. J. Hoffmann: On limit points of spectral radii of nonnegative symmetric integral matrices. Graph Theory and its Applications (ed. Y. Alovi, D. R. Lick, A. T. White), Springer Lecture notes number 303 (1972), 165-172. | MR
[5] J. H. Smith: Some properties of the spectrum of a graph. Combinatorial structures and their applications (ed. R. Guy, H. Hanani, N. Souer, J. Schonheim), Gordon and Breach, New York, 1970, 403-4&6. | MR | Zbl