A Counterexample to Shyamasundar s Characterization of Pushdown Permuters

Prakash V. Ramanan. A Counterexample to Shyamasundar s Characterization of Pushdown Permuters. Theoretical Computer Science, 23:103-105, 1983.

@article{Ramanan83,
  title = {A Counterexample to Shyamasundar s Characterization of Pushdown Permuters},
  author = {Prakash V. Ramanan},
  year = {1983},
  researchr = {https://researchr.org/publication/Ramanan83},
  cites = {0},
  citedby = {0},
  journal = {Theoretical Computer Science},
  volume = {23},
  pages = {103-105},
}