TY - JOUR AU - Alexander P. Seyranian AU - Oleg N. Kirillov TI - Condition for instability of conservative gyroscopic systems JO - Theoretical and applied mechanics PY - 2001 SP - 135 VL - 26 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TAM_2001_26_1_a9/ LA - en ID - TAM_2001_26_1_a9 ER -