%0 Journal Article %A Bakhta, Athmane %A Lombardi, Damiano %T An a posteriori error estimator based on shifts for positive Hermitian eigenvalue problems %J Comptes Rendus. Mathématique %D 2018 %P 696-705 %V 356 %N 6 %I Elsevier %U http://archive.numdam.org/articles/10.1016/j.crma.2018.04.017/ %R 10.1016/j.crma.2018.04.017 %G en %F CRMATH_2018__356_6_696_0