%0 Journal Article %A M. G. Ivanov %T Phase space curvature %J Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences %D 2013 %P 361-368 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSGTU_2013_1_a36/ %G ru %F VSGTU_2013_1_a36