ESPARZA, Javier,
Antonín KUČERA a Stefan SCHWOON. Model-Checking LTL with Regular Valuations for Pushdown Systems. N. Kobayashi, B.C. Pierce (Eds.). In
Proceedings of 4th International Symposium on Theoretical Aspects of Computer Software (TACS 2001). Berlin, Heidelberg, New York: Springer, 2001, s. 316-340. Lecture Notes in Computer Science, vol. 2215. ISBN 3-540-42736-8.