TY - JOUR AU - Mustapha Lahyane TI - Exceptional curves on rational surfaces having K2⩾0 JO - Comptes Rendus. Mathématique PY - 2004 SP - 873 EP - 878 VL - 338 IS - 11 PB - Elsevier DO - 10.1016/j.crma.2004.03.029 LA - en ID - CRMATH_2004__338_11_873_0 ER -