%0 Journal Article %A Carvalho, Camille %A Chesnel, Lucas %A Ciarlet, Patrick Jr. %T Eigenvalue problems with sign-changing coefficients %J Comptes Rendus. Mathématique %D 2017 %P 671-675 %V 355 %N 6 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2017.05.002/ %R 10.1016/j.crma.2017.05.002 %G en %F CRMATH_2017__355_6_671_0