![PDF) The Functional Analytic Approach for quasi-periodic boundary value problems for the Helmholtz equation PDF) The Functional Analytic Approach for quasi-periodic boundary value problems for the Helmholtz equation](https://www.researchgate.net/profile/Paolo-Luzzini/publication/364935533/figure/fig1/AS:11431281093337550@1667201972285/An-example-in-dimension-n-2-of-the-geometric-setting-The-grey-region-is-the_Q320.jpg)
PDF) The Functional Analytic Approach for quasi-periodic boundary value problems for the Helmholtz equation
Pennsylvania Historical and Museum Commission Bureau of Archives and History Pennsylvania State Archives MG-404 DICK THORNBURGH
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