BibTeX

@TechReport{HoaThi04a,
  author =       "Hoang, T. M. and Thierauf, T.",
  title =        "On Closure Properties of {G}ap{L} ",
  institution =  "Electronic Colloquium on Computational Complexity",
  address =      "http://www.eccc.uni-trier.de/eccc/",
  year =         "2004",
  number =	 "TR04-24",
}