%0 Journal Article
%A Zygmunt Ratajczyk
%T A characterization of expandability of models for ZF to models for KM
%J Fundamenta Mathematicae
%D 1981
%P 9-19
%V 113
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm-113-1-9-19/
%R 10.4064/fm-113-1-9-19
%G en
%F 10_4064_fm_113_1_9_19