%0 Journal Article
%A Emanuele Frittaion
%T Brown’s lemma in second-order arithmetic
%J Fundamenta Mathematicae
%D 2017
%P 269-283
%V 238
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm221-9-2016/
%R 10.4064/fm221-9-2016
%G en
%F 10_4064_fm221_9_2016