%0 Journal Article %A B. N. Shapukov %T Lie mixed derivative and projectability %J Trudy Geometricheskogo Seminara %D 1989 %P 121-127 %V 19 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUTGS_1989_19_a13/ %G ru %F KUTGS_1989_19_a13