@article{1183736427, author = {Driscoll, Graham C.}, title = {Metarecursively Enumerable Sets and Their Metadegrees}, journal = {J. Symbolic Logic}, volume = {33}, number = {1}, year = {1968}, pages = { 389-411}, language = {en}, url = {http://dml.mathdoc.fr/item/1183736427} }
Driscoll, Graham C. Metarecursively Enumerable Sets and Their Metadegrees. J. Symbolic Logic, Tome 33 (1968) no. 1, pp. 389-411. http://gdmltest.u-ga.fr/item/1183736427/