@article{05379354,
title = {Local approximation of uniformly regular Carnot--Carath\'eodory quasispaces by their tangent cones.},
journal = {Sibirskij Matematicheskij Zhurnal},
volume = {48},
year = {2007},
pages = {290-312},
zbl = {1164.53343},
language = {en},
url = {http://dml.mathdoc.fr/item/05379354}
}
Greshnov, A.V. Local approximation of uniformly regular Carnot–Carathéodory quasispaces by their tangent cones.. Sibirskij Matematicheskij Zhurnal, Tome 48 (2007) pp. 290-312. http://gdmltest.u-ga.fr/item/05379354/