@article{CTT100755400,
  author = {Shoichi Fujimori and Udo Hertrich-Jeromin and Masatoshi Kokubu and Masaaki Umehara and Kotaro Yamada},
  title = {Quadrics and Scherk towers},
  journal = {Monatshefte für Mathematik},
  year = 2017,
}

@article{CTT100704464,
  author = {Udo Hertrich-Jeromin and Yshihiko Suyama and Masaaki Umehara and Kotaro Yamada},
  title = {A duality for conformally flat hypersurfaces},
  journal = {Beitraege zur Algebra und Geometrie / Contributions to Algebra and Geometry},
  year = 2015,
}