%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 %U http://geodesic.mathdoc.fr/item/JOLT_2005_15_1_a10/ %F JOLT_2005_15_1_a10