Tokio Okazaki, Katsushi Inoue, Akira Ito, Yue Wang. Closure Property of Space-Bounded Two-Dimensional Alternating Turing Machines, Pushdown Automata, and Counter Automata. IJPRAI, 15(7):1143-1165, 2001.
@article{OkazakiIIW01,
title = {Closure Property of Space-Bounded Two-Dimensional Alternating Turing Machines, Pushdown Automata, and Counter Automata},
author = {Tokio Okazaki and Katsushi Inoue and Akira Ito and Yue Wang},
year = {2001},
researchr = {https://researchr.org/publication/OkazakiIIW01},
cites = {0},
citedby = {0},
journal = {IJPRAI},
volume = {15},
number = {7},
pages = {1143-1165},
}