Ahusborde, EtienneAzaiez, MejdiDeville, Michel O.Gruber, RalfMund, Ernest H.2009-01-122009-01-122009-01-12200810.1016/j.apnum.2007.04.005https://infoscience.epfl.ch/handle/20.500.14299/33544WOS:000257006700004Constructive spectral approaches for the Helmholtz decomposition of a vector fieldtext::journal::journal article::research article