TY - JOUR AU - Justyna Kosakowska TI - Lie algebras associated with quadratic forms and their applications to Ringel--Hall algebras JO - Algebra and discrete mathematics PY - 2008 SP - 49 EP - 79 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ADM_2008_4_a5/ LA - en ID - ADM_2008_4_a5 ER -