Joonatan Jalonen Jarkko Kari 0001 Conjugacy of One-Dimensional One-Sided Cellular Automata is Undecidable. 227-238 2018 SOFSEM https://doi.org/10.1007/978-3-319-73117-9_16 https://www.wikidata.org/entity/Q62045868 conf/sofsem/2018 db/conf/sofsem/sofsem2018.html#JalonenK18