Walter D. Neumann, Michael Shapiro. Equivalent Automatic Structures and their Boundaries. IJAC, 2(4):443-470, 1992. [doi]
@article{NeumannS92,
title = {Equivalent Automatic Structures and their Boundaries},
author = {Walter D. Neumann and Michael Shapiro},
year = {1992},
doi = {10.1142/S021819679200027X},
url = {http://dx.doi.org/10.1142/S021819679200027X},
researchr = {https://researchr.org/publication/NeumannS92},
cites = {0},
citedby = {0},
journal = {IJAC},
volume = {2},
number = {4},
pages = {443-470},
}