D’Abbicco, Marcello Some results on the well-posedness for second order linear equations. (English) Zbl 1183.35188 Osaka J. Math. 46, No. 3, 739-767 (2009). Reviewer: Jerzy Gawinecki (Warszawa) MSC: 35L15 35L45 PDF BibTeX XML Cite \textit{M. D'Abbicco}, Osaka J. Math. 46, No. 3, 739--767 (2009; Zbl 1183.35188) Full Text: Euclid OpenURL
Ebert, M. R.; Kapp, R. A.; Dos Santos Filho, J. R. On the loss of regularity for a class of weakly hyperbolic operators. (English) Zbl 1178.35260 J. Math. Anal. Appl. 359, No. 1, 181-196 (2009). MSC: 35L70 35L15 35B65 PDF BibTeX XML Cite \textit{M. R. Ebert} et al., J. Math. Anal. Appl. 359, No. 1, 181--196 (2009; Zbl 1178.35260) Full Text: DOI OpenURL