@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/