%0 Journal Article %A A. V. Greshnov %T On the generalized triangle inequality for quasimetrics induced by noncommuting vector fields %J Matematičeskie trudy %D 2011 %P 70-98 %V 14 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MT_2011_14_1_a2/ %G ru %F MT_2011_14_1_a2