Last update: Wed Feb 5 04:57:35 MST 2014
@Article{Drewes:1997:CDC,
author = "F. Drewes and H.-J. Kreowski and D. Lapoire",
title = "Criteria to Disprove Context-Freeness of Collage
Languages",
journal = j-LECT-NOTES-COMP-SCI,
volume = "1279",
pages = "169--??",
year = "1997",
CODEN = "LNCSD9",
ISSN = "0302-9743 (print), 1611-3349 (electronic)",
ISSN-L = "0302-9743",
bibdate = "Tue Apr 28 08:51:33 MDT 1998",
bibsource = "http://www.math.utah.edu/pub/tex/bib/lncs1997a.bib",
acknowledgement = ack-nhfb,
}