Boundary and Eigenvalue Problems in Mathematical Physics by Hans Sagan, professor at NC State University. 1961 Hardcover with no Dust Jacket. Inside is clean and tight, with no marks or reading wear.
Boundary and Eigenvalue Problems in Mathematical Physics by Hans Sagan, professor at NC State University. 1961 Hardcover with no Dust Jacket. Inside is clean and tight, with no marks or reading wear.