@article{10_1090_S0894_0347_00_00356_8,
     author = {Lubotzky, Alexander and Pak, Igor},
     title = {The product replacement algorithm and {Kazhdan{\textquoteright}s} property {(T)}},
     journal = {Journal of the American Mathematical Society},
     pages = {347--363},
     year = {2001},
     volume = {14},
     number = {2},
     doi = {10.1090/S0894-0347-00-00356-8},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-00-00356-8/}
}