Peetre, J. On estimating the solutions of hypoelliptic differential equations near the plane boundary. (English) Zbl 0113.30601 Math. Scand. 9, 337-351 (1961). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 8 Documents Keywords:partial differential equations PDF BibTeX XML Cite \textit{J. Peetre}, Math. Scand. 9, 337--351 (1961; Zbl 0113.30601) Full Text: DOI EuDML