Osserman, Robert On the inequality \(\Delta u \geqq f (u)\). (English) Zbl 0083.09402 Pac. J. Math. 7, 1641-1647 (1957). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 ReviewsCited in 433 Documents Keywords:partial differential equations PDFBibTeX XMLCite \textit{R. Osserman}, Pac. J. Math. 7, 1641--1647 (1957; Zbl 0083.09402) Full Text: DOI