@article{1256044641,
author = {Slaman, Theodore A. and Woodin, W. Hugh},
title = {Definability in the Turing degrees},
journal = {Illinois J. Math.},
volume = {30},
number = {3},
year = {1986},
pages = { 320-334},
language = {en},
url = {http://dml.mathdoc.fr/item/1256044641}
}
Slaman, Theodore A.; Woodin, W. Hugh. Definability in the Turing degrees. Illinois J. Math., Tome 30 (1986) no. 3, pp. 320-334. http://gdmltest.u-ga.fr/item/1256044641/