Valent, Tullio Sulla differenziabilita dell’operatore di Nemytsky. (Italian) Zbl 0424.35084 Atti Accad. Naz. Lincei, VIII. Ser., Rend., Cl. Sci. Fis. Mat. Nat. 65, 15-26 (1978). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 7 Documents MSC: 35R20 Operator partial differential equations (= PDEs on finite-dimensional spaces for abstract space valued functions) 47J05 Equations involving nonlinear operators (general) Keywords:non-differentiability theorem; superposition operator; differentiability theorems; nonlinear differential operators PDF BibTeX XML Cite \textit{T. Valent}, Atti Accad. Naz. Lincei, VIII. Ser., Rend., Cl. Sci. Fis. Mat. Nat. 65, 15--26 (1978; Zbl 0424.35084) OpenURL