Alexander Lubotzky, R. Phillips, P. Sarnak. Explicit Expanders and the Ramanujan Conjectures. In Proceedings of the Eighteenth Annual ACM Symposium on Theory of Computing, 28-30 May 1986, Berkeley, California, USA. pages 240-246, ACM, 1986.
@inproceedings{LubotzkyPS86, title = {Explicit Expanders and the Ramanujan Conjectures}, author = {Alexander Lubotzky and R. Phillips and P. Sarnak}, year = {1986}, researchr = {https://researchr.org/publication/LubotzkyPS86}, cites = {0}, citedby = {0}, pages = {240-246}, booktitle = {Proceedings of the Eighteenth Annual ACM Symposium on Theory of Computing, 28-30 May 1986, Berkeley, California, USA}, publisher = {ACM}, }