%0 Journal Article
%A Yûkiti Katuta
%T Expandability and its generalizations
%J Fundamenta Mathematicae
%D 1975
%P 231-250
%V 87
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm-87-3-231-250/
%R 10.4064/fm-87-3-231-250
%G en
%F 10_4064_fm_87_3_231_250