TY - JOUR AU - Athmane Bakhta AU - Damiano Lombardi TI - An a posteriori error estimator based on shifts for positive Hermitian eigenvalue problems JO - Comptes Rendus. Mathématique PY - 2018 SP - 696 EP - 705 VL - 356 IS - 6 PB - Elsevier DO - 10.1016/j.crma.2018.04.017 LA - en ID - CRMATH_2018__356_6_696_0 ER -