Balder, Erik J. Necessary and sufficient conditions for \(L_ 1\)-strong-weak lower semicontinuity of integral functionals. (English) Zbl 0638.49004 Nonlinear Anal., Theory Methods Appl. 11, 1399-1404 (1987). Reviewer: G.Buttazzo MSC: 49J45 46B99 49J27 PDFBibTeX XMLCite \textit{E. J. Balder}, Nonlinear Anal., Theory Methods Appl. 11, 1399--1404 (1987; Zbl 0638.49004) Full Text: DOI
Balder, E. J. An existence result for optimal economic growth problems. (English) Zbl 0517.49002 J. Math. Anal. Appl. 95, 195-213 (1983). MSC: 49J15 28B20 49J45 91B62 PDFBibTeX XMLCite \textit{E. J. Balder}, J. Math. Anal. Appl. 95, 195--213 (1983; Zbl 0517.49002) Full Text: DOI
Balder, E. J. Relaxed inf-compactness for variational problems by Hilbert cube compactification. (English) Zbl 0473.49006 J. Math. Anal. Appl. 79, 1-12 (1981). MSC: 49J99 49J27 49J45 PDFBibTeX XMLCite \textit{E. J. Balder}, J. Math. Anal. Appl. 79, 1--12 (1981; Zbl 0473.49006) Full Text: DOI