Cartan, Élie La géométrie de l’intégrale \(\int F(x,y,y',y'')\,dx\). (French) Zbl 0014.36801 J. Math. Pures Appl. (9) 15, 42-69 (1936). Reviewer: M. S. Knebelman (Princeton) Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Review MSC: 53-XX Differential geometry Keywords:differential geometry PDF BibTeX XML Cite \textit{É. Cartan}, J. Math. Pures Appl. (9) 15, 42--69 (1936; Zbl 0014.36801) OpenURL