Fage, M. K. On the symmetry and the symmetrizability of the influence-function. (Russian) Zbl 0050.08707 Mat. Sb., Nov. Ser. 32(74), 345-352 (1953). Reviewer: F. V. Atkinson Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 34C14 Symmetries, invariants of ordinary differential equations Keywords:ordinary differential equations PDFBibTeX XMLCite \textit{M. K. Fage}, Mat. Sb., Nov. Ser. 32(74), 345--352 (1953; Zbl 0050.08707)