Last update: Thu Sep 27 02:46:39 MDT 2018
@Article{Karhumaki:1977:RCR, author = "J. Karhumaki", title = "Remarks on commutative {$N$}-rational series", journal = j-THEOR-COMP-SCI, volume = "5", number = "2", pages = "211--217", month = oct, year = "1977", 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 = "Dept. of Math., Univ. of Turku, Turku, Finland", fjournal = "Theoretical Computer Science", journal-URL = "http://www.sciencedirect.com/science/journal/03043975/", keywords = "commutative N-rational series; formal languages; series (mathematics)", pubcountry = "Netherlands", treatment = "T Theoretical or Mathematical", }