@article{1183739782,
author = {Lerman, Manuel},
title = {Types of Simple $\alpha$-Recursively Enumerable Sets},
journal = {J. Symbolic Logic},
volume = {41},
number = {1},
year = {1976},
pages = { 419-426},
language = {en},
url = {http://dml.mathdoc.fr/item/1183739782}
}
Lerman, Manuel. Types of Simple $\alpha$-Recursively Enumerable Sets. J. Symbolic Logic, Tome 41 (1976) no. 1, pp. 419-426. http://gdmltest.u-ga.fr/item/1183739782/