%0 Journal Article
%A L. Tclaf
%T On condition of Jacobi positivity of second variation
%J Uchenye Zapiski Moskovskogo Gosudarstvennogo Universiteta
%D 1950
%P 116-125
%V 146
%N 146
%I mathdoc
%U http://geodesic.mathdoc.fr/item/UZMU_1950_146_146_a4/
%G ru
%F UZMU_1950_146_146_a4