%0 Journal Article %A V. R. Krym %T The Schouten curvature and the Jacobi equation in sub-Riemannian geometry %J Zapiski Nauchnykh Seminarov POMI %D 2020 %P 121-134 %V 498 %U http://geodesic.mathdoc.fr/item/ZNSL_2020_498_a8/ %G ru %F ZNSL_2020_498_a8