%0 Journal Article %A Sjöstrand, Johannes %A Zworski, Maciej %T Elementary linear algebra for advanced spectral problems %J Annales de l'Institut Fourier %D 2007 %P 2095-2141 %V 57 %N 7 %I Association des Annales de l’institut Fourier %U https://doi.org/10.5802/aif.2328 %R 10.5802/aif.2328 %G en %F AIF_2007__57_7_2095_0