%0 Journal Article
%A Stevo Todorčević
%T The functor σ²X
%J Studia Mathematica
%D 1995
%P 49-57
%V 116
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/sm-116-1-49-57/
%R 10.4064/sm-116-1-49-57
%G en
%F 10_4064_sm_116_1_49_57