%0 Journal Article %A Alexander P. Seyranian %A Oleg N. Kirillov %T Condition for instability of conservative gyroscopic systems %J Theoretical and applied mechanics %D 2001 %P 135 %V 26 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TAM_2001_26_1_a9/ %G en %F TAM_2001_26_1_a9