%0 Journal Article
%A John Burgess
%T Classical hierarchies from a modern standpoint. Part II. R-sets
%J Fundamenta Mathematicae
%D 1983
%P 97-105
%V 115
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm-115-2-97-105/
%R 10.4064/fm-115-2-97-105
%G en
%F 10_4064_fm_115_2_97_105