@article{PMIHES_1995__81__207_0, author = {Luo, Wenzhi and Sarnak, Peter}, title = {Quantum ergodicity of {Eigenfunctions} on $PSL_2(\mathbf {Z})/\mathbf {H}^2$}, journal = {Publications Math\'ematiques de l'IH\'ES}, pages = {207--237}, publisher = {Institut des Hautes \'Etudes Scientifiques}, volume = {81}, year = {1995}, mrnumber = {1361757}, zbl = {0852.11024}, language = {en}, url = {http://www.numdam.org/item/PMIHES_1995__81__207_0/} }