A.A. Agrachev, J.-P. Gauthier, Subanalyticity of distance and spheres in sub-Riemannian geometry

Title: Subanalyticity of distance and spheres in sub-Riemannian geometry
Authors: A.A. Agrachev, J.-P. Gauthier
Journal title: Nonlinear control in the year 2000
Year: 2001
Volume: 1
Pages: 1–8