@article{1183739734,
author = {Hay, Louise},
title = {Boolean Combinations of R.E. Open Sets},
journal = {J. Symbolic Logic},
volume = {41},
number = {1},
year = {1976},
pages = { 235-238},
language = {en},
url = {http://dml.mathdoc.fr/item/1183739734}
}
Hay, Louise. Boolean Combinations of R.E. Open Sets. J. Symbolic Logic, Tome 41 (1976) no. 1, pp. 235-238. http://gdmltest.u-ga.fr/item/1183739734/