TY - JOUR AU - S. Azam AU - V. Khalili AU - M. Yousofzadeh TI - Extended Affine Root Systems of Type BC JO - Journal of Lie theory PY - 2005 SP - 145 EP - 181 VL - 15 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JLT_2005_15_1_JLT_2005_15_1_a10/ ID - JLT_2005_15_1_JLT_2005_15_1_a10 ER -