?url_ver=Z39.88-2004&rft_id=10.1016%2FS0304-3975(99)00300-X&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Chen%2C+Xiao+Jun&rft.aulast=Chen&rft.aufirst=Xiao+Jun&rft.issn=0304-3975&rft.volume=254&rft.issue=1-2&rft.pages=337-361&rft.atitle=Algebraic+characterizations+of+trace+and+decorated+trace+equivalences+over+tree-like+structures&rft.title=Theoretical+Computer+Science&rft.date=2001&rft.genre=article