Boundary Value Problems of Mathematical Physics by O. A. Ladyzhenskaya

Boundary and Eigenvalue Problems in Mathematical Physics by Hans Sagan 1963 HC

VTG 1968 Boundary Value Problems of Mathematical Physics Vol I by Stakgold HC

Elementary Differential Equations Boundary Value Problems 10th Ed Wiley NEW

Boundary Value Problems of Mathematical Physics and Related A... - 9781475746686

Boundary and Eigenvalue Problems in Mathematical Physics (Dover

Green's Functions and Boundary Value Problems (Pure and Applied Mathematics)

Green's Functions and Boundary Value Problems by Stakgold, Ivar - 1979 HC