Fritz Henglein, Lasse Nielsen. Regular expression containment: coinductive axiomatization and computational interpretation. In Thomas Ball, Mooly Sagiv, editors, Proceedings of the 38th ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages, POPL 2011, Austin, TX, USA, January 26-28, 2011. pages 385-398, ACM, 2011. [doi]
Abstract is missing.