@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 {\dh}‘†{\dh}{\textquestiondown}\^a‚‚(\^a„{\textcurrency})},
     journal = {Journal of the American Mathematical Society},
     pages = {1069--1115},
     publisher = {mathdoc},
     volume = {29},
     number = {4},
     year = {2016},
     doi = {10.1090/jams/849},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/jams/849/}
}