Hartman, Philip; Wintner, Aurel On hyperbolic partial differential equations. (English) Zbl 0048.33302 Am. J. Math. 74, 834-864 (1952). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 49 Documents Keywords:partial differential equations PDF BibTeX XML Cite \textit{P. Hartman} and \textit{A. Wintner}, Am. J. Math. 74, 834--864 (1952; Zbl 0048.33302) Full Text: DOI OpenURL