1.
Ordinary Differential Equations (Dover Books on Mathematics)
by Morris Tenenbaum, Harry Pol...
ISBN: 9780486649405
List Price: $25.95
2.
Lectures on Fourier Integrals : With an Author's Supplement on Monotonic Functions, Stieltje...
by Bochner, Salomon, Tenenbaum...
ISBN: 9780608066370
List Price: $106.40