@article{IVM_1994_4_a4,
     author = {V. Yu. Rovenskiǐ},
     title = {A~local theorem on distributions with positive mixed sectional curvature},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {30--32},
     publisher = {mathdoc},
     number = {4},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1994_4_a4/}
}