%0 Journal Article %A Justyna Kosakowska %T Lie algebras associated with quadratic forms and their applications to Ringel--Hall algebras %J Algebra and discrete mathematics %D 2008 %P 49-79 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ADM_2008_4_a5/ %G en %F ADM_2008_4_a5