Cristian S. Calude, Rusins Freivalds, Sanjay Jain, Frank Stephan. Deterministic Frequency Pushdown Automata. J. UCS, 21(12):1563-1576, 2015. [doi]
@article{CaludeFJS15,
title = {Deterministic Frequency Pushdown Automata},
author = {Cristian S. Calude and Rusins Freivalds and Sanjay Jain and Frank Stephan},
year = {2015},
url = {http://www.jucs.org/jucs_21_12/deterministic_frequency_pushdown_automata},
researchr = {https://researchr.org/publication/CaludeFJS15},
cites = {0},
citedby = {0},
journal = {J. UCS},
volume = {21},
number = {12},
pages = {1563-1576},
}