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 VL - 31 IS - 3-4 UR - http://geodesic.mathdoc.fr/articles/10.2298/TAM0404411V/ DO - 10.2298/TAM0404411V LA - en ID - 10_2298_TAM0404411V ER -