@article{10_1090_jams_849, author = {Oh, Hee and Winter, Dale}, title = {Uniform exponential mixing and resonance free regions for convex cocompact congruence subgroups of {\ensuremath{\mathit{S}}\ensuremath{\mathit{L}}₂(\ensuremath{\mathbb{Z}})}}, journal = {Journal of the American Mathematical Society}, pages = {1069--1115}, year = {2016}, volume = {29}, number = {4}, doi = {10.1090/jams/849}, url = {http://geodesic.mathdoc.fr/articles/10.1090/jams/849/} }