Explore Books on
partial differential equations -- instructional exposition (textbooks tutorial papers etc.).

Mathematical methods of electromagnetic theory

By K. O. Friedrichs

Real analysis

By Barry Simon

Elliptic Partial Differential Equations: Second Edition (Courant Lecture Notes)

By Qing Han,Fanghua Lin

A basic course in partial differential equations

By Qing Han

Partial differential equations and boundary-value problems with applications

By Pinsky, Mark A.

Partial differential equations

By András Vasy

Invitation to Partial Differential Equations

By Maxim Braverman

Lecture notes on functional analysis with applications to linear partial differential equations

By Alberto Bressan