%0 Journal Article
%A Harvey Wolff
%T On the External Characterization of Topological Functors.
%J Manuscripta mathematica
%D 1977
%P 63-76
%V 22
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MM2_1977__22_154481/
%F MM2_1977__22_154481