%0 Journal Article %A V. Ya. Gershkovich %T Two-sided estimates of metrics generated by absolutely nonholonomic distributions on Riemannian manifolds %J Doklady Akademii Nauk %D 1984 %P 1040-1044 %V 278 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1984_278_5_a2/ %G ru %F DAN_1984_278_5_a2