Cinquini Cibrario, Maria Attualita di alcuni metodi classici in analisi matematica. (Italian) Zbl 0388.35003 Rend. Mat., VI. Ser. 10(1977), 477-487 (1978). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 35A05 General existence and uniqueness theorems (PDE) (MSC2000) 35F20 Nonlinear first-order PDEs 35G20 Nonlinear higher-order PDEs PDFBibTeX XMLCite \textit{M. Cinquini Cibrario}, Rend. Mat., VI. Ser. 10, 477--487 (1978; Zbl 0388.35003)