1. Takahashi, K., Hagiya, M.: Abstraction of link structures by regular expressions and abstract model checking of concurrent garbage collection. In: First Asian Workshop on Programming Languages and Systems, National University of Singapore, pp. 1–8 (2000),
http://nicosia.is.s.u-tokyo.ac.jp/members/hagiya.html
2. Takahashi, K., Hagiya, M.: Formal proof of abstract model checking of concurrent garbage collection. In: Kamareddine, F. (ed.) Workshop on Thirty Five years of Automath, Informal Proceedings, Heriot-Watt University, pp. 115–126 (2002),
http://nicosia.is.s.u-tokyo.ac.jp/members/hagiya.html
3. Takahashi, K., Hagiya, M.: Abstraction of graph transformation using temporal formulas. In: Workshop on Model-Checking for Dependable Software-Intensive Systems, International Conference on Dependable Systems and Networks, DSN 2003 (2003),
http://nicosia.is.s.u-tokyo.ac.jp/members/hagiya.html
4. Lecture Notes in Computer Science;E.M. Clarke,1982
5. Lecture Notes in Computer Science;E.A. Emerson,1980