%0 Journal Article %A E. Yu. Derevtsov %T A difference approximation of the covariant derivative and other operators and geometric objects given in a Riemannian domain %J Sibirskie èlektronnye matematičeskie izvestiâ %D 2015 %P 973-990 %V 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/SEMR_2015_12_a65/ %G ru %F SEMR_2015_12_a65