@inproceedings{bridges2022:297,
  author      = {Celi\'{n}ska-Kopczy\'{n}ska, Dorota and Kopczy\'{n}ski, Eryk},
  title       = {Portals to Non-Euclidean Geometries},
  pages       = {297--300},
  booktitle   = {Proceedings of Bridges 2022: Mathematics, Art, Music, Architecture, Culture},
  year        = {2022},
  editor      = {Reimann, David and Norton, Douglas and Torrence, Eve},
  isbn        = {978-1-938664-42-7},
  issn        = {1099-6702},
  publisher   = {Tessellations Publishing},
  address     = {Phoenix, Arizona},

  url         = {http://archive.bridgesmathart.org/2022/bridges2022-297.html}
}