Berstel, J.; Perrin, D. Trends in the theory of codes. (English) Zbl 1022.94506 Bull. EATCS 29, 84-95 (1986). Cited in 1 ReviewCited in 225 Documents MSC: 94A45 Prefix, length-variable, comma-free codes 68Q45 Formal languages and automata PDFBibTeX XMLCite \textit{J. Berstel} and \textit{D. Perrin}, Bull. EATCS 29, 84--95 (1986; Zbl 1022.94506)