?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.tcs.2005.08.006&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Alberto&rft.aulast=Lluch-Lafuente&rft.au=Lluch-Lafuente%2C+Alberto&rft.date=2005&rft.title=Theoretical+Computer+Science&rft.atitle=Quantitative+mu-calculus+and+CTL+defined+over+constraint+semirings&rft.issue=1&rft.pages=135-160&rft.volume=346&rft.issn=0304-3975&rft.genre=article