Paper  bibtex   

@url{ ketchwebsite,
  annote = {http://www.amath.washington.edu/\~{}ketch/},
  author = {Ketcheson, David I.},
  title = {{Personal Webpage}},
  url = {http://www.amath.washington.edu/~ketch/},
  bdsk-url-1 = {http://www.amath.washington.edu/~ketch/}
}