Tetrahedra passing through a triangular hole, and tetrahedra fixed by a planar frame

Imre Bárány, Hiroshi Maehara, Norihide Tokushige. Tetrahedra passing through a triangular hole, and tetrahedra fixed by a planar frame. Comput. Geom., 45(1-2):14-20, 2012. [doi]

@article{BaranyMT12,
  title = {Tetrahedra passing through a triangular hole, and tetrahedra fixed by a planar frame},
  author = {Imre Bárány and Hiroshi Maehara and Norihide Tokushige},
  year = {2012},
  doi = {10.1016/j.comgeo.2011.07.004},
  url = {http://dx.doi.org/10.1016/j.comgeo.2011.07.004},
  researchr = {https://researchr.org/publication/BaranyMT12},
  cites = {0},
  citedby = {0},
  journal = {Comput. Geom.},
  volume = {45},
  number = {1-2},
  pages = {14-20},
}