%0 Journal Article %A I. Bucataru %T The Jacobi fields for a spray on the tangent hnndle %J Novi Sad Journal of Mathematics %D 1999 %P 69-78 %V 29 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/NSJOM_1999_29_3a_6/ %F NSJOM_1999_29_3a_6