@inproceedings{artur2005simplicity,
title={Simplicity of Lyapunov spectra: proof of the Zorich-Kontsevich conjecture},
author={Artur Avila, and Marcelo Viana},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203350072017688},
booktitle={Acta Mathematica},
volume={198},
number={1},
pages={1-56},
year={2005},
}
Artur Avila, and Marcelo Viana. Simplicity of Lyapunov spectra: proof of the Zorich-Kontsevich conjecture. 2005. Vol. 198. In Acta Mathematica. pp.1-56. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203350072017688.