@article{abi-aalto-ayesta-StatNeer-08,
  author = {Samuli Aalto and Urtzi Ayesta},
  title = {Recent sojourn time results for {M}ultilevel {P}rocessor-{S}haring scheduling disciplines},
  journal = {Statistica Neerlandica},
  year = {2008},
  volume = {62},
  pages = {266--282},
}