Nagumo, Mitio Über das Anfangswertproblem partieller Differentialgleichungen. (German) Zbl 0061.21107 Jap. J. Math. 18, 41-47 (1942). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 38 Documents Keywords:partial differential equations, potential theory PDF BibTeX XML Cite \textit{M. Nagumo}, Jpn. J. Math. 18, 41--47 (1942; Zbl 0061.21107) OpenURL