@article{1183741339, author = {Homer, Steven}, title = {Intermediate $\beta$-R.E. Degrees and the Half-Jump}, journal = {J. Symbolic Logic}, volume = {48}, number = {1}, year = {1983}, pages = { 790-796}, language = {en}, url = {http://dml.mathdoc.fr/item/1183741339} }
Homer, Steven. Intermediate $\beta$-R.E. Degrees and the Half-Jump. J. Symbolic Logic, Tome 48 (1983) no. 1, pp. 790-796. http://gdmltest.u-ga.fr/item/1183741339/