@inproceedings{idrisse2008surfaces, title={Surfaces Isotropes ET Systems Integrables}, author={Idrisse Khemar}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160909134513161866732}, booktitle={Journal of Differential Geometry}, volume={79}, number={3}, pages={479-516}, year={2008}, }