Boundary and Eigenvalue Problems in Mathematical Physics by Sagan, Hans

Boundary and Eigenvalue Problems in Mathematical Physics (Dover Books on Physic

Dover Books on Physics Ser.: Boundary and Eigenvalue Problems in Mathematical...

Boundary and Eigenvalue Problems in Mathematical Physics (Dover Books on Phy...

Boundary and Eigenvalue Problems in Mathematical Physics (Dover

Boundary and Eigenvalue Problems in Mathe... by Sagan, Hans Paperback / softback

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

Advanced Calculus by Hans Sagan (1974, Hardcover) - Ex-Libris