@article{DawarGraKre06, title = "Backtracking Games and Inflationary Fixed Points", author = "Anuj Dawar and Erich Gr{\"a}del and Stephan Kreutzer", year = "2006", journal = "Theoretical Computer Science", note = "ICALP 2004 Selected Paper issue", number = "2-3", pages = "171 -- 187", volume = "350", }