Oliver Matz. Recognizable vs. Regular Picture Languages. In Symeon Bozapalidis, George Rahonis, editors, Algebraic Informatics, Second International Conference, CAI 2007, Thessaloniki, Greece, May 21-25, 2007, Revised Selected and Invited Papers. Volume 4728 of Lecture Notes in Computer Science, pages 112-121, Springer, 2007. [doi]
Abstract is missing.