%0 Journal Article %A V. V. Kozlov %T Restrictions of Quadratic Forms to Lagrangian Planes, Quadratic Matrix Equations, and Gyroscopic Stabilization %J Funkcionalʹnyj analiz i ego priloženiâ %D 2005 %P 32-47 %V 39 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_2005_39_4_a2/ %G ru %F FAA_2005_39_4_a2