Peter Cholak, Rodney G. Downey, Eberhard Herrmann. Some orbits for E. Annals of Pure and Applied Logic, 107(1-3):193-226, 2001.
@article{CholakDH01,
title = {Some orbits for E},
author = {Peter Cholak and Rodney G. Downey and Eberhard Herrmann},
year = {2001},
tags = {e-science},
researchr = {https://researchr.org/publication/CholakDH01},
cites = {0},
citedby = {0},
journal = {Annals of Pure and Applied Logic},
volume = {107},
number = {1-3},
pages = {193-226},
}