Nguyen Xuan My n-contextual schemes with control languages. (English) Zbl 0516.68054 Rev. Roum. Math. Pures Appl. 28, 715-730 (1983). MSC: 68Q45 PDFBibTeX XMLCite \textit{Nguyen Xuan My}, Rev. Roum. Math. Pures Appl. 28, 715--730 (1983; Zbl 0516.68054)
Carausu, Alexandru; Paun, Gheorghe String intersection and short concatenation. (English) Zbl 0516.68055 Rev. Roum. Math. Pures Appl. 26, 713-726 (1981). MSC: 68Q45 PDFBibTeX XMLCite \textit{A. Carausu} and \textit{G. Paun}, Rev. Roum. Math. Pures Appl. 26, 713--726 (1981; Zbl 0516.68055)
Paun, Gheorghe Multi-head sequential transducers. (English) Zbl 0496.68053 Rev. Roum. Math. Pures Appl. 26, 1235-1253 (1981). MSC: 68Q45 PDFBibTeX XMLCite \textit{G. Paun}, Rev. Roum. Math. Pures Appl. 26, 1235--1253 (1981; Zbl 0496.68053)