%0 Journal Article
%A Tiller, John
%T Unions in $E-M$ categories and coreflective subcategories
%J Commentationes Mathematicae Universitatis Carolinae
%D 1974
%P 173-187
%V 15
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_1974__15_1_a14/
%G en
%F CMUC_1974__15_1_a14