Bernhard Riemann - Partielle Differentialgleichungen und deren Anwendung auf physikalische - 1869

Rare first mathematical-physical edition of Bernhard Riemann's lectures on partial differential equations and their applications to physical questions. Edited for publication and published posthumously by K. Hattendorff. The work contains numerous woodcuts printed in the text. The exact condition can be ascertained from the photos.