Ryszard Janicki, Dai Tri Man Le, Nadezhda Zubkova. Closure Operators for Order Structures. In Miroslaw Kutylowski, Witold Charatonik, Maciej Gebala, editors, Fundamentals of Computation Theory, 17th International Symposium, FCT 2009, Wroclaw, Poland, September 2-4, 2009. Proceedings. Volume 5699 of Lecture Notes in Computer Science, pages 217-229, Springer, 2009. [doi]
Abstract is missing.