@inproceedings{e.1986entropie, title={Entropie geometrique des feuilletages}, author={E. Ghys, R. Langevin, and P. Walczak}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203309828822412}, booktitle={Acta Mathematica}, volume={160}, number={1}, pages={105-142}, year={1986}, }