Lasiecka, Irena and Triggiani, Roberto:
Sharp regularity theory for second order hyperbolic equations of Neumann type (Regolarità delle soluzioni di equazioni differenziali iperboliche del secondo ordine con dati al contorno di tipo Newmann)
Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Serie 8 83 (1989), fasc. n.1, p. 109-113, (English)
pdf (560 Kb), djvu (483 Kb). | MR 1142447 | Zbl 0767.35043
Sunto
Si danno risultati di regolarità delle soluzioni del problema misto per equazioni a derivate parziali del secondo ordine di tipo iperbolico, con dato non omogeneo sulla frontiera di tipo Neumann.
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