A geometric construction of the discrete series for semisimple Lie groups

@article{Atiyah1977AGC,
  title={A geometric construction of the discrete series for semisimple Lie groups},
  author={Michael Francis Atiyah and Wilfried Schmid},
  journal={Inventiones mathematicae},
  year={1977},
  volume={42},
  pages={1-62}
}
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