@article{shao2014generalized,
  title={Generalized Transfer Subspace Learning through Low-Rank Constraint},
  author={Shao, Ming and Kit, Dmitry and Fu, Yun},
  journal={International Journal of Computer Vision},
  volume={109},
  number={1-2},
  pages={74--93},
  year={2014},
  publisher={Springer}
}