Thomée, Vidar Estimates of the Friedrichs-Levy type for a hyperbolic equation with three characteristics. (English) Zbl 0064.34405 Math. Scand. 3, 115-123 (1955). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 4 Documents Keywords:partial differential equations PDFBibTeX XMLCite \textit{V. Thomée}, Math. Scand. 3, 115--123 (1955; Zbl 0064.34405) Full Text: DOI EuDML