@article{CTT100755402,
  author = {Atsufumi Honda and Miyuki Koiso and Masatoshi Kokubu and Masaaki Umehara and Kotaro Yamada},
  title = {Mixed type surfaces with bounded mean curvature in 3-dimensional space-times},
  journal = {Differential Geometry and its Applications},
  year = 2017,
}

@misc{CTT100613707,
  author = {Atsufumi Honda},
  title = {Isometric Immersions of the Hyperbolic Plane into the Hyperbolic Space},
  year = ,
}