1-4 of 4 Books

Partial Differential Equations VI
By Yu. V. Egorov
Spectral Geometry of Partial Differential Operators (Open Access)
Spectral Geometry of Partial Differential Operators (Open Access)
By Michael Ruzhansky,Makhmud Sadybekov,Durvudkhan Suragan

The analysis of linear partial differential operators
By Lars Hörmander
![Cover of Lectures on the L2-Sobolev theory of the [d-bar]-Neumann problem by emil j. straube](https://covers.openlibrary.org/b/id/8686674-M.jpg)
Lectures on the L2-Sobolev theory of the [d-bar]-Neumann problem
By Emil J. Straube