%0 Journal Article %A Ya. V. Tatarinov %T Deformations of the manifold of positions, and quadratic integrals of a~natural system in classical dynamics %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1980 %P 109-110 %V 35 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1980_35_6_a17/ %G en %F RM_1980_35_6_a17