@article{CRMATH_2002__335_5_463_0, author = {M.Bachir Bekka and Robyn Curtis and Pierre de la Harpe}, title = {Familles de graphes expanseurs et paires de {Hecke}}, journal = {Comptes Rendus. Math\'ematique}, pages = {463--468}, publisher = {Elsevier}, volume = {335}, number = {5}, year = {2002}, doi = {10.1016/S1631-073X(02)02499-8}, language = {fr}, }