@article{GDZPPN002202328,
title = {Characerization of a class of distance regular graphs.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {358},
year = {1985},
pages = {182-192},
zbl = {0552.05042},
url = {http://dml.mathdoc.fr/item/GDZPPN002202328}
}
Neumaier, A. Characerization of a class of distance regular graphs.. Journal für die reine und angewandte Mathematik, Tome 358 (1985) pp. 182-192. http://gdmltest.u-ga.fr/item/GDZPPN002202328/