Azaiez, MejdiGruber, RalfDeville, Michel O.Mund, Ernest H.2009-01-122009-01-122009-01-12200610.1007/s10915-005-9037-9https://infoscience.epfl.ch/handle/20.500.14299/33541On a stable spectral element for the grad(div) eigenvalue problemtext::journal::journal article::research article