Unterberger, Andre Sobolev spaces of variable order and problems of convexity for partial differential operators with constant coefficients. (English) Zbl 0278.46034 Astérisque 2/3, 325-341 (1973). For the entire collection see [Zbl 1384.35003]. Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 Documents MSC: 46E35 Sobolev spaces and other spaces of “smooth” functions, embedding theorems, trace theorems 35E10 Convexity properties of solutions to PDEs with constant coefficients PDF BibTeX XML Cite \textit{A. Unterberger}, Astérisque 2, 325--341 (1973; Zbl 0278.46034) OpenURL