TY - JOUR AU - Miroslav Vesković AU - Vukman Čović TI - On the instability of equilibrium of a mechanical system with nonconservative forces JO - Theoretical and applied mechanics PY - 2004 SP - 411 EP - 424 VL - 31 IS - 3-4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TAM_2004_31_3-4_a9/ ID - TAM_2004_31_3-4_a9 ER -