Holt, Derek F.; Rees, Sarah Solving the word problem in real time. (English) Zbl 1032.20022 J. Lond. Math. Soc., II. Ser. 63, No. 3, 623-639 (2001). Reviewer: J.W.Cannon (Provo) MSC: 20F10 03D40 20F06 20F67 PDFBibTeX XMLCite \textit{D. F. Holt} and \textit{S. Rees}, J. Lond. Math. Soc., II. Ser. 63, No. 3, 623--639 (2001; Zbl 1032.20022) Full Text: DOI
Baumslag, G.; Miller, C. F. III; Short, H. Unsolvable problems about small cancellation and word hyperbolic groups. (English) Zbl 0810.20025 Bull. Lond. Math. Soc. 26, No. 1, 97-101 (1994). Reviewer: D.Busneag (Craiova) MSC: 20F06 20F05 20F10 03D80 20J05 PDFBibTeX XMLCite \textit{G. Baumslag} et al., Bull. Lond. Math. Soc. 26, No. 1, 97--101 (1994; Zbl 0810.20025) Full Text: DOI