On the Dirichlet Problem for Equations in an Unbounded Domain Sergei Poborc

Dirichlet Integrals on Harmonic Spaces by Fumi-Yuki Maeda

Differential Equations with Boundary-Value Problems by Warren Wright (With Key)

Partial Differential Equations by Avner Friedman (English) Paperback Book

High Order Fast Laplace Solvers for the Dirichlet Problem on General Regions

Modern Methods in Partial Differential Equations (Dover Books ...

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Elementary Differential Equations And Boundary Value Problems 3rd e HC 1977