@inproceedings{felix2000nonexistence,
title={Nonexistence of timeperiodic solutions of the Dirac equation in an axisymmetric black hole geometry},
author={Felix Finster, Niky Kamran, Joel Smoller, and Shing-Tung Yau},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224203841121687095},
booktitle={Communications on Pure and Applied Mathematics: A Journal Issued by the Courant Institute of Mathematical Sciences},
volume={53},
number={7},
pages={902-929},
year={2000},
}

Felix Finster, Niky Kamran, Joel Smoller, and Shing-Tung Yau. Nonexistence of timeperiodic solutions of the Dirac equation in an axisymmetric black hole geometry. 2000. Vol. 53. In Communications on Pure and Applied Mathematics: A Journal Issued by the Courant Institute of Mathematical Sciences. pp.902-929. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224203841121687095.