@techreport{pannet-aalto-IML-04,
  author = {Samuli Aalto and Urtzi Ayesta},
  title = {Mean delay comparison among multilevel processor-sharing scheduling disciplines},
  year = {2004},
  institution = {Insitut Mittag-Leffler},
  number = {11, 2004/2005 fall},
  url = {http://www.ml.kva.se/preprints/0405f/files/IML-0405f-11.pdf},
}