Partial differential equations (e-book)
Chern, Shiing-shen
Partial differential equations (e-book) - Berlin Springer 1988 - Lecture Notes in Mathematics (LNM) v.1306 .
978-3-540-39107-4
Partial differential equations (e-book) - Berlin Springer 1988 - Lecture Notes in Mathematics (LNM) v.1306 .
978-3-540-39107-4