T. Brázdil, V. Brozek, J. Holecek, and &. A. Ku?era, Discounted Properties of Probabilistic Pushdown Automata, Proceedings of the 15th International Conference on Logic for Programming, Artificial Intelligence , and Reasoning (LPAR'08), pp.230-242, 2008.
DOI : 10.1007/978-3-540-89439-1_17

T. Brázdil, A. Ku?era, and &. O. Strazovsk´ystrazovsk´y, On the Decidability of Temporal Properties of Probabilistic Pushdown Automata, Proceedings of the 22nd Annual Symposium on Theoretical Aspects of Computer Science (STACS'05), pp.145-157, 2005.
DOI : 10.1007/978-3-540-31856-9_12

J. R. Büchi, Regular Canonical Systems, Archiv für Mathematische Logik und Grundlagenforshung 6, pp.91-111, 1964.

A. Carayol and &. S. Woerhle, The Caucal Hierarchy of Infinite Graphs in Terms of Logic and Higher-Order Pushdown Automata, Proceedings of the 23rd Conference on Foundations of Software Technology and Theoretical Computer Science (FSTTCS'03), Lecture Notes in Computer Science 2914, pp.112-123, 2003.
DOI : 10.1007/978-3-540-24597-1_10

D. Caucal and &. T. Knapik, An internal presentation of regular graphs by prefix-recognizable ones, Theory of Computing Systems, vol.34, issue.4, 2001.

B. Courcelle, Graph rewriting: an algebraic and logic approach, Handbook of Theoretical Computer Science B: Formal Models and Semantics, pp.193-242, 1990.

J. Esparza, A. Ku?era, and &. R. Mayr, Model checking probabilistic pushdown automata, Proceedings of the 19th Annual IEEE Symposium on Logic in Computer Science, 2004., 2006.
DOI : 10.1109/LICS.2004.1319596

URL : http://arxiv.org/abs/cs/0508003

H. Hansson and &. B. Jonsson, A logic for reasoning about time and reliability, Formal Aspects of Computing, vol.2, issue.1, pp.512-535, 1994.
DOI : 10.1007/BF01211866

A. Ku?era, Methods for Quantitative Analysis of Probabilistic Pushdown Automata, Electronic Notes in Theoretical Computer Science, vol.149, issue.1, pp.3-15, 2006.
DOI : 10.1016/j.entcs.2005.11.013

D. Muller and &. P. Schupp, The theory of ends, pushdown automata, and second-order logic, Theoretical Computer Science, vol.37, pp.51-75, 1985.
DOI : 10.1016/0304-3975(85)90087-8

A. Tarski, A Decision Method for Elementary Algebra and Geometry, 1951.
DOI : 10.1007/978-3-7091-9459-1_3