@unpublished{HopfThielenWendt2015,
  author  = {Michael Hopf and Clemens Thielen and Oliver Wendt},
  title   = {Competitive Algorithms for Multistage Online Scheduling},
  institution = {Fachbereich Mathematik},
  pages     = {29},
  year    = {2015},
  url  = {http://nbn-resolving.de/urn:nbn:de:hbz:386-kluedo-41195},
}