Partial contents: v.2. Partial differential equations, by R. Courant
Summary
TSince this work first came out in Germany in 1924, this work has remained a standard in the field. This translation restores the historically deep connections between physical intuition and mathematical development, providing the reader with a unified approach to mathematical physics
Notes
V.1 was first published in 1953
Vol.2: Partial differential equations by R.Courant