Applications of the group analysis of differential equations to some systems of noncommuting C 1 -smooth vector fields. Greshnov, A.V. — 2009 Sibirskij Matematicheskij Zhurnal
Metrics and tangent cones of uniformly regular Carnot-Carathéodory spaces. Greshnov, A.V. — 2006 Sibirskij Matematicheskij Zhurnal
Uniform domains and N T A -domains in Carnot groups. Greshnov, A.V. — 2001 Sibirskij Matematicheskij Zhurnal
Differentiability of horizontal curves in Carnot–Carathéodory quasispaces. Greshnov, A.V. — 2008 Sibirskij Matematicheskij Zhurnal
Local approximation of uniformly regular Carnot–Carathéodory quasispaces by their tangent cones. Greshnov, A.V. — 2007 Sibirskij Matematicheskij Zhurnal