@article{01117992,
title = {Disconnected vertex sets and equidistant code pairs.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {4},
year = {1997},
zbl = {0885.05083},
language = {en},
url = {http://dml.mathdoc.fr/item/01117992}
}
Haemers, Willem H. Disconnected vertex sets and equidistant code pairs.. The Electronic Journal of Combinatorics [electronic only], Tome 4 (1997) . http://gdmltest.u-ga.fr/item/01117992/