Tucker, A. W. On tensor invariance in the calculus of variations. (English) Zbl 0009.31401 Ann. Math. (2) 35, 341-350 (1934). PDFBibTeX XMLCite \textit{A. W. Tucker}, Ann. Math. (2) 35, 341--350 (1934; Zbl 0009.31401) Full Text: DOI
Tucker, A. W. On tensor invariance in the calculus of variations. (English) JFM 60.1149.01 Annals of Math. (2) 35, 341-350 (1934). Reviewer: Pinl, M., Dr. (Prag) PDFBibTeX XMLCite \textit{A. W. Tucker}, Ann. Math. (2) 35, 341--350 (1934; JFM 60.1149.01) Full Text: DOI