@inproceedings{conan2002lagrangian, title={Lagrangian submanifolds in hyperkahler manifolds, Legendre transformation}, author={Conan Leung}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160831143416899966577}, booktitle={JDG}, volume={61}, pages={107-145}, year={2002}, }