%0 Journal Article
%A Zurab Janelidze
%T Closedness properties of internal relations I:  A unified approach to
Mal'tsev, unital and subtractive categories
%J Theory and applications of categories
%D 2006
%P 236-261
%V 16
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TAC_2006_16_a11/
%G en
%F TAC_2006_16_a11