Anton Konovalov, Victor L. Selivanov. The Boolean Algebra of Piecewise Testable Languages. In Arnold Beckmann, Laurent Bienvenu, Natasa Jonoska, editors, Pursuit of the Universal - 12th Conference on Computability in Europe, CiE 2016, Paris, France, June 27 - July 1, 2016, Proceedings. Volume 9709 of Lecture Notes in Computer Science, pages 292-301, Springer, 2016. [doi]
Abstract is missing.