Wang, Ya-Yen Lee On the solution of the variational problem of the arc length in 4- dimensional affine space. (English) Zbl 0237.53005 J. Reine Angew. Math. 255, 99-103 (1972). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 53A15 Affine differential geometry 49J15 Existence theories for optimal control problems involving ordinary differential equations PDFBibTeX XMLCite \textit{Y.-Y. L. Wang}, J. Reine Angew. Math. 255, 99--103 (1972; Zbl 0237.53005) Full Text: DOI Crelle EuDML