@article{gong2012note,
  title={A note on ``A one-sector neoclassical growth model with endogenous retirement'': Existence of multiple steady states},
  author={Gong, Liutang and Liu, Nianqing},
  journal={The Japanese Economic Review},
  volume={63},
  pages={557--569},
  year={2012},
  publisher={Springer}
}