Gurtin, M. E. Variational principles for linear initial-value problems. (English) Zbl 0173.37602 Q. Appl. Math. 22, 252-256 (1964). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 62 Documents Keywords:partial differential equations PDFBibTeX XMLCite \textit{M. E. Gurtin}, Q. Appl. Math. 22, 252--256 (1964; Zbl 0173.37602) Full Text: DOI