404. That’s an error.
The requested URL /url?sa=U&q=http://www.math.utah.edu:8080/ftp/pub/tex/bib/sgml2000.pdf.gz was not found on this server. That’s all we know.
/url?sa=U&q=http://www.math.utah.edu:8080/ftp/pub/tex/bib/sgml2000.pdf.gz