Last update: Sun Oct 15 02:15:49 MDT 2017
@Article{Makinen:1991:HCF, author = "Erkki M{\"a}kinen", title = "A hierarchy of context-free derivations", journal = j-FUND-INFO, volume = "14", number = "2", pages = "255--259", month = feb, year = "1991", CODEN = "FUMAAJ", ISSN = "0169-2968 (print), 1875-8681 (electronic)", ISSN-L = "0169-2968", bibdate = "Mon Mar 7 06:24:59 MST 2016", bibsource = "http://www.math.utah.edu/pub/tex/bib/fundinfo1990.bib", acknowledgement = ack-nhfb, fjournal = "Fundamenta Informaticae", journal-URL = "http://content.iospress.com/journals/fundamenta-informaticae; http://dl.acm.org/citation.cfm?id=J291", }