David Van Horn, Harry G. Mairson. Deciding ::::k::::CFA is complete for EXPTIME. In James Hook, Peter Thiemann, editors, Proceeding of the 13th ACM SIGPLAN international conference on Functional programming, ICFP 2008, Victoria, BC, Canada, September 20-28, 2008. pages 275-282, ACM, 2008. [doi]
Abstract is missing.