@Article{ WaechterW19arxiv, author = "Jan Philipp W{\"{a}}chter and Armin Wei{\ss}", title = "An Automaton Group with {PSPACE}-Complete Word Problem", journal = "ArXiv e-prints", volume = "abs/1906.03424", year = "2019", url = "http://arxiv.org/abs/1906.03424", archiveprefix = "arXiv", eprint = "1906.03424", timestamp = "Fri, 14 Jun 2019 09:38:24 +0200", biburl = "https://dblp.org/rec/bib/journals/arXiv eprints/abs-1906-03424", bibsource = "dblp computer science bibliography, https://dblp.org" }