%0 Journal Article
%A Jouko Väänänen
%T Δ-extension and Hanf-numbers
%J Fundamenta Mathematicae
%D 1983
%P 43-55
%V 115
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm-115-1-43-55/
%R 10.4064/fm-115-1-43-55
%G en
%F 10_4064_fm_115_1_43_55