%0 Journal Article
%A John Lake
%T Undefinable ordinals and the rank hierarchy
%J Fundamenta Mathematicae
%D 1978
%P 11-13
%V 99
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm-99-1-11-13/
%R 10.4064/fm-99-1-11-13
%G en
%F 10_4064_fm_99_1_11_13