%0 Journal Article %A È. I. Kosoglyad %T On the stability of the motion of a~symmetric rigid body on the Lobachevskii plane %J Trudy Geometricheskogo Seminara %D 1971 %P 47-56 %V 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUTGS_1971_6_a5/ %G ru %F KUTGS_1971_6_a5