%0 Journal Article %A S. Azam %A V. Khalili %A M. Yousofzadeh %T Extended Affine Root Systems of Type BC %J Journal of Lie theory %D 2005 %P 145-181 %V 15 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JLT_2005_15_1_JLT_2005_15_1_a10/ %F JLT_2005_15_1_JLT_2005_15_1_a10