@Article{	  KariSK11,
  author	= "Lila Kari and Shinnosuke Seki and Steffen Kopecki",
  title		= "On the Regularity of Iterated Hairpin Completion of a
		  Single Word",
  journal	= "Fundamenta Informaticae",
  volume	= "110",
  number	= "1-4",
  year		= "2011",
  pages		= "201--215",
  bibsource	= "DBLP, http://dblp.uni-trier.de",
  doi		= "10.3233/FI-2011-538"
}