Zanghirati, Luisa Iterati di operatori quasi-ellittici e classi di Gevrey. (Italian) Zbl 0477.35047 Boll. Unione Mat. Ital., V. Ser., B 18, 411-428 (1981). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 ReviewsCited in 4 Documents MSC: 35J99 Elliptic equations and elliptic systems 47F05 General theory of partial differential operators 35B45 A priori estimates in context of PDEs Keywords:theorem of Kotake and Narasimhan; quasi-elliptic partial differential operator; coefficients in the Gevrey’s class PDF BibTeX XML Cite \textit{L. Zanghirati}, Boll. Unione Mat. Ital., V. Ser., B 18, 411--428 (1981; Zbl 0477.35047) OpenURL