Jacek Świątkowski, “Regular Path Systems and (Bi)automatic Groups”, Geom Dedicata, 118, № 1, 2006, 23
Alexander Engel, Christopher Wulff, “Coronas for properly combable spaces”, J. Topol. Anal., 15, № 04, 2023, 953
Zachary Munro, Damian Osajda, Piotr Przytycki, “2-dimensional Coxeter groups are biautomatic”, Proceedings of the Royal Society of Edinburgh: Section A Mathematics, 152, № 2, 2022, 382