Leo Harrington, Robert I. Soare. Codable Sets and Orbits of Computably Enumerable Sets. Journal of Symbolic Logic, 63(1):1-28, 1998.
@article{HarringtonS98:0, title = {Codable Sets and Orbits of Computably Enumerable Sets}, author = {Leo Harrington and Robert I. Soare}, year = {1998}, researchr = {https://researchr.org/publication/HarringtonS98%3A0}, cites = {0}, citedby = {0}, journal = {Journal of Symbolic Logic}, volume = {63}, number = {1}, pages = {1-28}, }