@article{ZNSL_2020_498_a8,
     author = {V. R. Krym},
     title = {The {Schouten} curvature and the {Jacobi} equation in {sub-Riemannian} geometry},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {121--134},
     publisher = {mathdoc},
     volume = {498},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2020_498_a8/}
}