%0 Journal Article
%A Mike Prest
%A Robert Wisbauer
%T Finite presentation and purity in categories $\sigma [M]$
%J Colloquium Mathematicum
%D 2004
%P 189-202
%V 99
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm99-2-4/
%R 10.4064/cm99-2-4
%G en
%F 10_4064_cm99_2_4