@article{AIF_2007__57_7_2095_0,
     author = {Sj\"ostrand, Johannes and Zworski, Maciej},
     title = {Elementary linear algebra for advanced spectral problems},
     journal = {Annales de l'Institut Fourier},
     pages = {2095--2141},
     publisher = {Association des Annales de l{\textquoteright}institut Fourier},
     volume = {57},
     number = {7},
     year = {2007},
     doi = {10.5802/aif.2328},
     zbl = {1140.15009},
     mrnumber = {2394537},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/aif.2328/}
}