@article{HunterKre07, title = "Digraph Measures: Kelly Decompositions, Games, and Orderings", author = "Paul Hunter and Stephan Kreutzer", year = "2008", annote = "Special Issue for GRASTA'06", journal = "Theoretical Computer Science (TCS)", pages = "206-219", url = "http://web.comlab.ox.ac.uk/oucl/work/stephan.kreutzer/Publications/07-tcs-kelly.pdf", volume = "399", }