TY - JOUR AU - Ranislav Bulatović TI - An nonstability criterion of equlibrium for nonholonomic system JO - Theoretical and applied mechanics PY - 1992 SP - 21 VL - 18 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TAM_1992_18_1_a2/ LA - en ID - TAM_1992_18_1_a2 ER -