@inbook{f6e71ee760894119ba04c489acd49bd7,
title = "Extended symmetries of Markov subgroups",
abstract = "A symmetry of a tessellation is an isometry of the plane, or space, preserving the tessellation. What symmetry groups can one get? This is a classical problem in geometry, leading to the wallpaper groups of the plane or crystallographic groups in higher dimensions.",
author = "R.J. Fokkink",
year = "2021",
doi = "10.1007/978-3-030-62497-2_46",
language = "English",
isbn = "978-3-030-62496-5",
series = "MATRIX Book Series",
publisher = "Springer",
number = "1",
pages = "691--692",
booktitle = "Matrix Annals 2019-2020",
}