%0 Journal Article
%A Claus Michael Ringel
%T The category of modules with good filtrations over a quasi-hereditary algebra has almost split sequences.
%J Mathematische Zeitschrift
%D 1991
%P 209-224
%V 208
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1991__208_3_174312/
%F MZ_1991__208_3_174312