Silvio Valentini. Constructive characterizations of bar subsets. Annals of Pure and Applied Logic, 145(3):368-378, 2007. [doi]
@article{Valentini07,
title = {Constructive characterizations of bar subsets},
author = {Silvio Valentini},
year = {2007},
doi = {10.1016/j.apal.2006.10.003},
url = {http://dx.doi.org/10.1016/j.apal.2006.10.003},
researchr = {https://researchr.org/publication/Valentini07},
cites = {0},
citedby = {0},
journal = {Annals of Pure and Applied Logic},
volume = {145},
number = {3},
pages = {368-378},
}