1
Inverse spectral theory.
Book
...Pure and applied mathematics ;...
2
Eigenvalues in Riemannian geometry /
Book
...Pure and applied mathematics ;...
3
Introduction to potential theory.
Book
...Pure and applied mathematics ;...
4
Partial differential equations : an introduction.
Book
...International series in pure and applied mathematics....
5
Dirichlet's principle, conformal mapping, and minimal surfaces /
Book
...Pure and applied mathematics ;...