%0 Journal Article
%A Jean Larson
%T Pinning for pairs of countable ordinals
%J Fundamenta Mathematicae
%D 1980
%P 7-21
%V 108
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm-108-1-7-21/
%R 10.4064/fm-108-1-7-21
%G en
%F 10_4064_fm_108_1_7_21