@article{CTT100841664,
  author = {Hisaaki Endo and Andrei Pajitnov},
  title = {On generalized Inoue manifolds},
  journal = {Proceedings of the International Geometry Center},
  year = 2020,
}

@article{CTT100760953,
  author = {Hisaaki Endo and Andrei Pajitnov},
  title = {Circle-valued Morse theory for spun knots and surface-links},
  journal = {The Michigan Mathematical Journal},
  year = 2017,
}

@article{CTT100760952,
  author = {Hisaaki Endo and Andrei Pajitnov},
  title = {On the Morse-Novikov number for 2-knots},
  journal = {Osaka Journal of Mathematics},
  year = 2017,
}