@article{1183736624, author = {Hay, Louise}, title = {Index Sets of Finite Classes of Recursively Enumerable Sets}, journal = {J. Symbolic Logic}, volume = {34}, number = {1}, year = {1969}, pages = { 39-44}, language = {en}, url = {http://dml.mathdoc.fr/item/1183736624} }
Hay, Louise. Index Sets of Finite Classes of Recursively Enumerable Sets. J. Symbolic Logic, Tome 34 (1969) no. 1, pp. 39-44. http://gdmltest.u-ga.fr/item/1183736624/