%0 Journal Article %A Justyna Kosakowska %T Ringel–Hall algebras of hereditary pure semisimple coalgebras %J Colloquium Mathematicum %D 2009 %P 65-85 %V 115 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm115-1-7/ %R 10.4064/cm115-1-7 %G en %F 10_4064_cm115_1_7