%0 Journal Article
%A Williams, N. H.
%T On Grothendieck universes
%J Compositio Mathematica
%D 1969
%P 1-3
%V 21
%N 1
%I Wolters-Noordhoff Publishing
%U http://www.numdam.org/item/CM_1969__21_1_1_0/
%G en
%F CM_1969__21_1_1_0