TY  - JOUR
AU  - Cholak, Peter
AU  - Downey, Rodney
AU  - Harrington, Leo
TI  - On the orbits of computably enumerable sets
JO  - Journal of the American Mathematical Society
PY  - 2008
SP  - 1105
EP  - 1135
VL  - 21
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-08-00604-8/
DO  - 10.1090/S0894-0347-08-00604-8
ID  - 10_1090_S0894_0347_08_00604_8
ER  -