@article{01118014,
title = {An eigenvalue characterization of antipodal distance-regular graphs.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {4},
year = {1997},
zbl = {0885.05082},
language = {en},
url = {http://dml.mathdoc.fr/item/01118014}
}
Fiol, M.A. An eigenvalue characterization of antipodal distance-regular graphs.. The Electronic Journal of Combinatorics [electronic only], Tome 4 (1997) . http://gdmltest.u-ga.fr/item/01118014/