%0 Journal Article %A T. A. Panteleeva %T Extension of the Ricci tensor to the second-order semitangent bundle %J Trudy Geometricheskogo Seminara %D 1991 %P 79-85 %V 21 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUTGS_1991_21_a10/ %G ru %F KUTGS_1991_21_a10