TY - JOUR AU - Farid Ammar Khodja AU - Assia Benabdallah AU - Manuel González-Burgos AU - Luz de Teresa TI - A new relation between the condensation index of complex sequences and the null controllability of parabolic systems JO - Comptes Rendus. Mathématique PY - 2013 SP - 743 EP - 746 VL - 351 IS - 19-20 PB - Elsevier DO - 10.1016/j.crma.2013.09.014 LA - en ID - CRMATH_2013__351_19-20_743_0 ER -