Last update: Thu Sep 27 02:46:39 MDT 2018
@Article{Perrot:1978:VLO, author = "J.-F. Perrot", title = "Varieties of languages and operations", journal = j-THEOR-COMP-SCI, volume = "7", number = "2", pages = "197--210", month = oct, year = "1978", CODEN = "TCSCDI", ISSN = "0304-3975 (print), 1879-2294 (electronic)", ISSN-L = "0304-3975", bibdate = "Sat Nov 22 13:36:07 MST 1997", bibsource = "http://www.math.utah.edu/pub/tex/bib/tcs1975.bib", acknowledgement = ack-nhfb, classification = "C4210 (Formal logic)", corpsource = "Inst. de Programmation, Univ. Paris, Paris, France", fjournal = "Theoretical Computer Science", journal-URL = "http://www.sciencedirect.com/science/journal/03043975/", keywords = "concatenation; formal languages; Kleene's star operation; rational languages; shuffle product; varieties", language = "French", pubcountry = "Netherlands", treatment = "T Theoretical or Mathematical", }