Bernstein, Dorothy L. Existence theorems in partial differential equations. (English) Zbl 0066.07601 (Annals of Mathematics Studies vol. 23.) Princeton, N. J: Princeton University Press 1950. 240 p. (1955). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Keywords:partial differential equations PDFBibTeX XML Full Text: DOI