%0 Journal Article %A V. Yu. Rovenskiǐ %T Foliations on closed geodesics with positive mixed sectional curvature and special behaviour of $L$-Jacobi fields %J Trudy Geometricheskogo Seminara %D 1997 %P 113-123 %V 23 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUTGS_1997_23_a10/ %G en %F KUTGS_1997_23_a10