Richard E. Ladner, Larry J. Stockmeyer, Richard J. Lipton. Alternation Bounded Auxiliary Pushdown Automata. Inf. Comput., 62(2/3):93-108, August/September 1984.
@article{LadnerSL84,
title = {Alternation Bounded Auxiliary Pushdown Automata},
author = {Richard E. Ladner and Larry J. Stockmeyer and Richard J. Lipton},
year = {1984},
month = {August/September},
tags = {e-science},
researchr = {https://researchr.org/publication/LadnerSL84},
cites = {0},
citedby = {0},
journal = {Inf. Comput.},
volume = {62},
number = {2/3},
pages = {93-108},
}