Zoltán Ésik, Satoshi Okawa. Series and Parallel Operations on Pomsets. In C. Pandu Rangan, Venkatesh Raman, Ramaswamy Ramanujam, editors, Foundations of Software Technology and Theoretical Computer Science, 19th Conference, Chennai, India, December 13-15, 1999, Proceedings. Volume 1738 of Lecture Notes in Computer Science, pages 316-328, Springer, 1999. [doi]
Abstract is missing.