%0 Journal Article %A V. A. Svyatskov %T Investigation of the Jacobi equation for Lagrangians of a special form %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1996 %P 81-83 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1996_4_a11/ %G ru %F IVM_1996_4_a11