Bouligand, Georges Le rôle de la théorie des groupes en géométrie infinitesimale directe. (French) Zbl 0016.27803 Enseign. Math. 36, 5-27 (1937). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Keywords:Metric geometry, convex geometry, integral geometry PDFBibTeX XMLCite \textit{G. Bouligand}, Enseign. Math. 36, 5--27 (1937; Zbl 0016.27803)