Christoph Behle, Andreas Krebs, Stephanie Reifferscheid. Regular Languages Definable by Majority Quantifiers with Two Variables. In Volker Diekert, Dirk Nowotka, editors, Developments in Language Theory, 13th International Conference, DLT 2009, Stuttgart, Germany, June 30 - July 3, 2009. Proceedings. Volume 5583 of Lecture Notes in Computer Science, pages 91-102, Springer, 2009. [doi]
Abstract is missing.