Malgrange, Bernard Some remarks on the notion of convexity for differential operators. (English) Zbl 0196.39003 Differ. Analysis, Bombay Colloquium 1964, 163-174 (1964). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 5 Documents Keywords:partial differential equations PDF BibTeX XML OpenURL