@article{bwmeta1.element.bwnjournal-article-fmv115i1p9bwm,
author = {John Burgess},
title = {Classical hierarchies from a modern standpoint. Part II. R-sets},
journal = {Fundamenta Mathematicae},
volume = {115},
year = {1983},
pages = {97-105},
zbl = {0515.28003},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv115i1p9bwm}
}
Burgess, John. Classical hierarchies from a modern standpoint. Part II. R-sets. Fundamenta Mathematicae, Tome 115 (1983) pp. 97-105. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv115i1p9bwm/