TY - JOUR AU - V. V. Kozlov TI - Restrictions of Quadratic Forms to Lagrangian Planes, Quadratic Matrix Equations, and Gyroscopic Stabilization JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2005 SP - 32 EP - 47 VL - 39 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2005_39_4_a2/ LA - ru ID - FAA_2005_39_4_a2 ER -