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@article{JRAM_1985__357_152714, author = {A. Neumaier}, title = {Characerization of a class of distance regular graphs.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {182--192}, publisher = {mathdoc}, volume = {357}, year = {1985}, zbl = {0552.05042}, url = {http://geodesic.mathdoc.fr/item/JRAM_1985__357_152714/} }
A. Neumaier. Characerization of a class of distance regular graphs.. Journal für die reine und angewandte Mathematik, Tome 357 (1985), pp. 182-192. http://geodesic.mathdoc.fr/item/JRAM_1985__357_152714/