Akira Ito, Katsushi Inoue, Itsuo Takanami, Hiroshi Taniguchi. Two-Dimensional Alternating Turing Machines with Only Universal States. Inf. Comput., 55(1-3):193-221, October/November/December 1982.
@article{ItoITT82,
title = {Two-Dimensional Alternating Turing Machines with Only Universal States},
author = {Akira Ito and Katsushi Inoue and Itsuo Takanami and Hiroshi Taniguchi},
year = {1982},
month = {October/November/December},
researchr = {https://researchr.org/publication/ItoITT82},
cites = {0},
citedby = {0},
journal = {Inf. Comput.},
volume = {55},
number = {1-3},
pages = {193-221},
}