@article{1183737165,
author = {Owings, James C.},
title = {The Meta-R.E. Sets, but Not the $\Pi^1\_1$ Sets, Can Be Enumerated Without Repetition},
journal = {J. Symbolic Logic},
volume = {35},
number = {1},
year = {1970},
pages = { 223-229},
language = {en},
url = {http://dml.mathdoc.fr/item/1183737165}
}
Owings, James C. The Meta-R.E. Sets, but Not the $\Pi^1_1$ Sets, Can Be Enumerated Without Repetition. J. Symbolic Logic, Tome 35 (1970) no. 1, pp. 223-229. http://gdmltest.u-ga.fr/item/1183737165/